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RAP01768.pdf (le mésolithique en Bretagne. rapport de projet collectif de recherches)
RAP00568.pdf ((56). quatre communes du Morbihan : carentoir)
  • /79, H 132, 874, L26, D153) from which 'total' collection had previously been made (fig. 1). Of thèse, A92 had been started in 1986 and remained to finish. The ai rn of thèse smal 1 excavations was the investigation of surf ace/'sub-surf ace rel at i onshi ps; fields were selected
  • of the relationship between land-use and settlement during the 1 ast two thousand years, took place from 25 August - 1 October in the communes of Ruffiac, Tréal , St-Ni col as-du-Tertre and Carentoir, in the department of Morbihan in eastern Brittany. The ai m of the study is to détermine when
  • five-day planning trips by two in September 1987 and April 1988. The team, consisting of volunteers from a wide range of places, numbered twenty-six, including the directors, one finds assistant and three supervisors; it worked for f i ve weeks from 28 August, with four days off
  • , and only two days were lost because of rain; however , the gênerai dryness meant that the ground was hard and made for very heavy working. EBS 88 B409 (Carentoir Zft 161) B409 lies on a west-facing si ope near the settlement of Le Eiois Guillaume, documentée! from the eighteenth
  • pottery (maximum 5 sherds per square) was more evenly spread. Smal 1 quanti ti es of brick and tile (maximum 0 .5kg per square) were uhevenl y distributed, but tended to concentrate in the south of the field, away from the cl Lister i ng of pre—médiéval and médiéval pottery
  • , and the majority (577.) of the post-medi eval wares was ni neteenth-century . Smal 1 quanti ti es of brick and tile were recovered but only from the first three spits (total 23 fragments, 0. 787kg) . Context 1, however, had in addition to local quartz and quartzite large quantities (120kg
  • some pièces were 5mm across. This layer varied in thickness -from 0.75m on the eastern, up-slope, side o-f the trench to 0.38m on the west. At the east end the top sur-face o-f 2 curved as i -f the layer had been mounded up. This layer could not be total ly excavated over the whole
  • o-f the trench because o-f lack of space for the spoil, so the trench was reduced in size to 6 X 3m. The pottery from this layer (2), like the stone fragments, provides a complète contrast with that of the plough soil. 61 sherds were found, ail of which were Irôn Age, the most
  • . The range o-f pottery recovered -from the top two spits was very différent -from the lowest spit. In the first twenty centimètres 45 sherds were -found; médiéval pottery predominated (837.), -followed by post-medi eval (157.) and a single sherd o-f Roman pottery (27.) ; 52 -fragments o-f
  • brick and tile (1.5B6kg) were recovered. This is in contrast to the 1 ower spit which had 31 sherds, 977 o-f which were Ir on Age, and the remaining sherd was post-medi eval ; 3 pièces (0.119kg) of brick and tile were f ound. The plough soil sealed a layer of compact, dul 1 yel 1 ow
  • -orange clay (24) from the surface of which came 20 sherds of Iron-Age pottery, the majority of which were of Fabrics 86 (607) and 89 (257). There was no sign of feat ures eut into this layer, which 1 ay directly on the degraded, manganèse— stai ned , quartzitic bedrock (05a) (33
  • ) . Comment The occurrence of médiéval and post-medi eval pottery in the plough soil, but not beneath , and the lack of conte;-; ts of thèse période would suggest that this matériel was not deriyed from SLib— surface features. Manuring might wel 1 account for the evenly distributed
  • is a good indicator of settlement in the near vicinity. In the case of the test pit T37 prehistoric pottery was recovered from the surface, but there were no sub-surface features of that date. It is impossible to suggest reasons for the soning of the prehistoric material on the surface
  • without more extensive investigation. The séquence from T36 is important. The trench was sited on the highest part of the field, near the top of the slope, yet it has a much deeper stratification than T37 lower down the slope. The buried soil 32, with its charcoal, might represent
  • Df the material in it, do not however suggest a midden but rather collapsed walls or some sort of bank. The absence of Roman material from the dump suggests that it was formed before the Roman period: the few Roman sherds found in the topsoil could have been derived from a very
  • Roman site in the vicinity, and a few sherds in the topsoil, there is no trace of Roman settlement on this field and little to suggest Roman agricultural use. Présent évidence might suggest that the médiéval pottery in the plough soil derived from very heavy manuring, although
  • the stone in the plough soil of T36 included plenty of introduced building stone, which must have been carried more than 1 km to this spot; this stone, then, may in tact dérive from the collapse of some nearby structure of médiéval date (cf. H132 below). It is just possible
  • Roux) documented from eighteenth and fifteenth centuries respect! vel y , with a possible médiéval structure near T36 (see fig. 2). It is potentially of the highest significance for long—terni settlement history and would merit a much more extensive investigation. A92 (Ruffiac
  • sett 1 ement . In 1986 the plough soil in T2B
  • material was obtained from T29 (as was reflected by the results D -f the total collection) but more Roman pottery was found. Time ran ont and the sites had to be backfilled at the point, when ditches were recognised (Asti 13. and Davies 1987, 118-21). In 1988 the excavation was resumed
RAP00566.pdf ((56). quatre communes du Morbihan : carentoir)
  • and their property less dispersed, with more cattle and altogether a more wealthy air; and, despite récent in the core. remembrement , fewer remembrement mounds than Transect M, running slightly south 01 east from the south~-e?ast corner of Carentoir, was bequn, but most of it remains 209 fields
  • of fieldwork, itself part of a larger, mul t i -di sci pl i nary study of the relationship between land-u.se and settlement during the last two thousand years, took place from 21 March - 5 April and 6 -- 27 September in the communes of Ruffiac, Treal, St~Ni col as-du-Tertre , Carentoir, La
  • involved fieldwalking over large areas at wide intervais, as in 1982 85, in the four core communes; sampling in the communes surrounding the core? and excavation of parts of a field from which 'total' collection had previously been made. Two days (21-22 March) were spent in préparation
  • for the main season by two people. The team (consisting largely of past and présent students from the Universities of London, Reading, Durham and Sheffield) numbered twenty, including the directors, and worked for twelve days, from 23 March, with one day off. A smal 1 team, of the directors
  • worked flints were also collected, three from transect E, three from B, two from B and one from D. One possible platform and thirty lynchets were noted, of which fifteen were in Transect D. As in previous years there were considérable variations in the concentration of recovered
  • and also zones that tend to produce more or less of a surface scatter» Surface material is usually markedly absent from areas near the commune boundaries and is also difficult to find in the fields to the north of Qui 1 vain and around Le? Bois Faux; si gni f i cant 1 y , the more
  • of Transect G, from Métairie au Joly to Le Nouai-)» The figures quoted above demonstrate the remarkably high proportion of fields in G with large concentrations of surface material. The présence of tile scatters, sometimes with smal 1 quanti ties of Roman material associated, were notable
  • possible to see zoning in the présence of thèse schi stes» hence, only black schi stes occurred throughout the ^Ruffiac basin (from Lodineu to Ville Robert and south to La Rivière) and also in a large zone in the north of Transects D and E (from Trelo to La Touche du Mur); in strong
  • contrast black and pink/purple roofing fragments occurred together in zones immediately north of the Ruffiac basin and west of the Trelo zone. It was also possible, in some cases, to distinguish a range of other schi stes that were imported from nearby local sources, probably as walling
  • the ancien cadastre , as usua 1 . More than three-quarters of concentrations of pottery (76.7V.) 1 ay more than 100m away from early n i net eenth-century settlements and only 12» 5% 1 ay within 50m of them» (The former is only slightly higher than distances from modem settlements
  • of the? sites 1 ay within 250m of mapped streams (427.) , while more than a quarter (31.57.) were more than 500m away from them. £< . Samplinq ou.tside the core transects Sampling outside the core was organisée) in 2km radiating from it and thèse were walked in the s ame way as in one
  • , transects within the core. Ail available fields Transect for we>re covered; tl 11s ran 10km slightly west of N of from the north-west Ruffiac, and passed north , boundary communes of Carc , Reminiac and Augan the and into the through south oi Zampefrieac, running just to the w est
  • were walked (of which to be covered (see fig. B) » hectares (18% of the surface area 6 were in M), encompassing 257 of Transect N) . 7.86kg of pottery and 13.81kg of man-made building material were recovered from thèse transects; 1.37. of the pottery was pre-Roman „ 1% Roman, 29.7
  • management the proportion of sites located and quanti ti es of material collected is entirely comparable with those in the four core communes. However , there is less médiéval material than has usual 1 y been found there and it was a considérable contrast to collect pre-Roman sherds from
  • the surface. However, the distribution pattern of material does not si gni f i cant 1 y deviate from that found in the core. There are again areas with little or no material 'blank ' zones - and areas with more or less of a surface scatter. So, material tends to concentrate in the La
  • Bonneraye/Le Printemps/Saint-Nicolas (Reminiac) area and in the area around ^the château of Touraille, stretching north from it over the? Campeneac commune boundary to La Tieulais; and there are a di sti net i ve number of 1 ow concentrations of post-medi eval material in the Les PI aci
  • eux to Ville Glâird area. There are large 'blank' zones from La Ravraie to Le Boulay and also north west of Augan, although such zones are not so character i st i c of the commune boundaries as they are in the core communes. Se h i stes in gênerai re-f lect the pinker colour
  • . The first (T7) ran north west from T3 across a slight break in si ope, and the other two (T5 and T6) were eut in order to section the platform near T4 (see fig. C) . The-? sections were cleaned and drawn and features in the bottom of the trenches recorded. The two 6m squares were mai ni
  • with plough soil. A small négative feature, 20cm wide, was also noted in section. Neither feature produced finds. The pottery from the plough soil of bot h T3 and T7 was entirely médiéval, and of a similar character to that recovered from the surface, that is 907. coarse wares of fabric 1
  • from the north-west corner of T4 and eut the edge of the earthwork platform at right angles; the other (T6) was 23m long and ran from the south-east corner of T4 to the southern end of the platform. A section of the whole earthwork was thus obt ai ned . The earliest évidence came
RAP00565.pdf ((56). quatre communes du Morbihan : carentoir)
  • ; the main team (consisting largely of past and présent students from the Universities of London and Reading) numbered twenty-two, including the directors; it worked for twel ve days, from 24 March, and had one day off; nine people (including one director) remained for an additional week
  • collection; phosphate analysis and soil magnetic susceptibil ity survey of the four selected areas; and excavation of part of a bank and lynchet near a field from which 'total' collection had previously been made. Three days (21-23 March) were spent in préparation by three people
  • covered, encompassing 772 hectares (4.01% of the surface area of the four communes). 30.99kg of pottery and 93.92kg of man-made building material were recovered from the transects; 45% of the pottery was médiéval, 53.6% post-medieval and 1.4% Roman. No pre-Roman pottery was found
  • , but sixteen worked flints were recovered, three from transect L, three from C and ten from F, and also a stone axe, the stone of which has yet to be identified (F117). Two possible areas of ridge and furrow were noted, along with fourteen lynchets and eight (mostly substantial) old banks
  • . The remaining concentrations (25.7%) had a prédominance of building material, at présent treated as undatable. 2 As usual , the topographical position of the sites was analysed. About a third of them (29.4%) were on flat 1 and while 17.1% were on south-facing and 16.6% on south-east-f
  • cadastre, as usual. More than three-quarters of the concentrations (80.2%) lay more than 100m away from early nineteenth-century settlements and only 7.5% lay within 50m of them. (This is not signif icantly différent from distances from modem settlements). Surface material tends
  • in the Coet Morel /Hôtel Orl and area (Carentoir). Surface material is markedly absent from fields on the northern and southern boundaries of L, on the east/west ridges (particularly on a band north west of Carentoir) and - as might be expected - on most steep slopes. There are again
  • or schi ste; the imported material is notably absent from fields cleared of woodl and since the 1 ate nineteenth century. Fieldwalking in 5m squares ('Total' Coll ecti on ) In order to investigate the nature of sites identified in transect walking, as in 1983 and 1984 some fields
  • samples for future phosphate analysis were taken from the topsoil in ail squares, at 5m intervais, and soil magnetic suscepti bi 1 i ty readings were also taken at 5m intervais, at the spot from which samples had been lifted. Fluxgate gradiometer readings were not taken since 1984
  • tests suggested that thèse were only useful if taken at much narrower intervais. Schiste was collected, totally from A107, D221 and B216, and in a limited sample from B347 (from one square in every nine). This was subsequently classified in three colour catégories (black/grey, green
  • was recorded, the field being the same size and shape as at présent but divided into bandes; an area of 1 ande lay to the north and the nearest settlement (La Boulardaie) lay 130m away. Pottery, building material and schi ste were collected from an area of 1 hectare, distributed ail over
  • size is 0.44 hectare. In the early nineteenth century it was part of an area of water meadow, 250m from the nearest settlement of Le Cleu. 0.3 Roman sherds per square were collected (2.11g), with 0.4 médiéval sherds (1.63g), 0.31 post-medieval sherds (1.71g) and 2.38 fragments
  • . As with field 0221, this cl ustering was sufficiently pronounced (and sufficiently distinct from the distribution of médiéval and post-medieval pottery) to suggest that a Roman-period structure once stood on the field. Magnetic susceptibil ity readings produced unusually high values
  • to the bedrock. Quantities of natural schi ste from this field were enormous, some squares producing 45kg; the sampling strategy proved to be of very limited value since it was impossible to gain a sensé of overall distribution and difficult to correl ate the collected squares with the cl
  • of the 18 mètre squares) was dug. Soil samples for micromorphol ogical and pollen analysis were taken in columns from the sections, using purpose-made meta! containers. Small test holes were also eut by machine at every 15m to the north of Trench 1 (up the side of the south-facing valley
  • the same alignaient as the lynchet. The ditch was fi 1 1 ed with a homogeneous silty loam which contained two sherds of médiéval pottery and two pièces of (? médiéval) tile. The fill of the ditch was indistinguishable from the overlying thick 1 ayer of loam, which constituted the main
  • of the lynchet (1.8m), indicating notable col 1 uvi ation . The schi ste recovered from the lynchet was not derived from the yellowish-red type which constituted the natural bedrock in the trench. Most was of a grey/green colour. The greatest amounts were recovered at depths of between 5
  • and 40cm, as was also true of the other material. The pottery, brick, tile and also this schi ste were probably brought on to the field in the course of manuring. Trench 2. The remains of a bank, only 20cm high, were found lying on the natural, midway along the trench. The bank
  • and tile coul d indicate that this happened before brick and tile were in common use. Both trenches have shown that lynchets could have a complicated history, with their origins in other features. From the point of view of land-use history, the pottery suggests that this area of Ruffiac
  • commune was intensively cultivated from the 1 ater twelfth century (although small amounts of earlier pottery could reflect earlier activity), while the absence of early post-medieval wares suggests a lapse in arable cultivation during the early modem period or changes in manuring
RAP03449 ((56). Autour du Golfe du Morbihan, les landes de Lanvaux et le sud de la vallée de la Vilaine. Rapport de PD 2016)
  • of upstanding structural remains including large rectilinear ramparts of probable Iron Age origin, several rough stone buildings and walls from the Mediaeval period. These remains encompass an area c.1ha in size. Recent discovery of Gallo-Romain and medieval pottery indicate
  • remains uncertain. 3.1.5 3.1.6 3.1.7 M2 No responses of definite archaeological character have been recorded from survey in M2. Poorly defined negatives 11 to the N likely represent variations in soil morphology/geology. M3 No responses of definite archaeological character
  • Coet Sürho: alluvial soils overlying granite and gneiss Pen Castel: rendzinas overlying granite Recent discovery of mediaeval ceramic and building debris at Coet Sürho (Muzillac) suggests the locations of 2 potential medieval settlements dating th th from the 13 -15 century. Survey
  • Castel, échelle 1/1250 2 2.1 ACCÈS, CONDITIONS AU SOL ET CONSIDÉRATIONS GÉNÉRALES Survey in M1-4 at Coet Sürho extended through mainly accessible arable and pasture sloping gently to the N/NE. Complete survey coverage in M3 was made impossible due to obstruction from numerous
  • small-scale ferrous responses are evident throughout the results from both survey at Coet Sürho (M1-4) and Pen Castel. These mostly represent modern ferrous debris contained within the topsoil and are not discussed in the results section of the report unless deemed relevant. Large
  • concentrations of ferrous response at Coet Sürho in locations M3-4 derive from survey in proximity to existing boundaries and farm buildings. Broad regions of ferrous response from survey in proximity to existing boundaries are also evident in the Pen Castel survey results. One substantial
  • /negative responses from natural soil/geological variation also extend throughout the survey results from Pen Castel. The range of this variation has significantly complicated interpretation of the Pen Castel survey results. Client CERAM Coet Sürho (Muzillac) et Pen Castel (Arzon
  • ), Morbihan (56), France 3 4 RESULTATS DE MAGNETOMETRIE 3.1 3.1.1 COET SÜRHO M1 Probable building remains (1), visible as a concentration of broad negative responses, have been identified E of survey centre in M1. Remains of a possible outlying property boundary (2-4), mostly
  • . Poorly defined broad negatives to the SE (7) & NW (8) are also evident and may be archaeological in origin. However, a natural soil/geological explanation for anomalies 5-8 should not be dismissed. 3.1.3 Responses 9 & 10 to the E in M1 likely represent ploughed out remains of former
  • are evident in the results from M3. Responses of possible interest are indicated, mainly in the central and western region of survey (12 & 13). The archaeological significance of these anomalies is uncertain. Insufficient survey area available in M3 and an abundance of modern ferrous
  • responses has made interpretation of the results from M3 uncertain. M4 No responses of definite archaeological character are evident in the results from M4. Potentially signficant responses are indicated to the NW (14), NE (15) and S/SW (16). Response group 15 to the E may represent
  • a possible dwelling. Response group 16 to the S/SW coincides with the location of a suspected former boundary. The potential that 16 represents part of poorly defined settlement remains as suggested by the landowner should perhaps not be entirely dismissed. 3.2 3.2.1 PEN CASTEL
  • The southern corner of a suspected Mediaeval building foundation (17) is evident to the N in the results from survey at Pen Castel. Potential further building footprints may be present to the NE (18 & 19), although these represent weak linear/sub-angular patterns which are barely visible
  • of anomaly 17 and W of 23 likely derive from natural soil/geological variation. Further potentially significant responses include a linear arrangement of anomalies (20) running almost parallel with the upstanding Iron Age ramparts enclosing the site; several weak linear © Target Client
  • © Target Interpretation of the results from survey at Pen Castel is highly tentative. The potential that many of the anomalies highlighted from survey in this location derive from soil/geological variation should not be dismissed. Client CERAM Coet Sürho (Muzillac) et Pen Castel
  • locations M2-M3 at Coet Sürho display no responses of obvious archaeological character. Interpretation of the results from M3 has been particularly hampered due to numerous trees which prevented complete survey coverage. 4.3 Interpretation of the results from survey at Pen Castel
  • remains somewhat speculative. Excluding the building foundation (17) highlighted to the north most of the anomalies in the Pen Castel results are poorly defined and masked by soil/geological variations. Groups of anomalies highlighted as potentially significant include potential
RAP00567.pdf ((56). quatre communes du Morbihan : carentoir)
  • years, took place from 20 March - 4 April in the communes surrounding Ruffiac, Treal , St-Ni col as-du-Tertre and Carentoir, in the departments of Morbihan and 1 1 1 e-et-Vi 1 ai ne in eastern Brittany. The aim of the study is to détermine when, how and why the exploitation
  • landscape
  • , Reading, Cardiff and York) numbered twenty-two, ' including the directors, and worked for twel ve deiys, from 22 March, with one day off. Six people went in advance, and worked for one day beforehand. Overall, 330 mandays were spent on this year ' s season, including travelling time
  • ) Sampling was organized in three 2km transects radiating from the core (P, M and R) and thèse were wal ked in the same way as Transects A to L within the core and Transect N outside it, in 1982-6. Transect P ran due west to the River Oust for 4.1km from the western boundary of Ruffiac
  • (from the area of La Sourigaie to La Houssaie), passing through the communes of Missiriac and Malestroit and the northern outskirts of the town of Malestroit; Transect R ran north east for 7.75km from Trelo to Le Mur at the north-east corner of Carentoir, passing through the communes
  • of pottery, 161.72kg of man-made building material, 23 from thèse flints and 611.72g of haematite were recovered transects , together with two worked pièces of quartz (from M). This breaks down, by transect, as follows: Brick/tile kg 18. 49 P M 121 . 77 21 . 46 R Pre-Rom. Pottery 1 . 47
  • of surface scatters Di scussi on Clearly the character of the surface material differs from transect to transect. Transects P and M had areas which produced a little pre-Roman pottery - as had Transect N - a phenomenon that is extremely rare in the core communes (Asti 11 and Davies 1986
  • for its very 1 ow proportions of médiéval pottery and very high of post-medi eval . Thèse results are striking by comparison with patterns of material recovered from the four core communes. Whereas the amounts of Roman material collected from the surface are mue h the same, the amounts
  • and proportions of médiéval material are 1 ower (especially in R) - as in N - while those of post-medi eval material are considerably higher, though not as high as in N; in the core 507. of pottery collected from the surface was médiéval and 46.77. post-medi eval . The proportion
  • . Thereafter, although there are a few 'blank' fields in the nei ghbourhood of Pipriac it is again marked that there are very few from Pipriac east to the Vilaine. The contrast between this area and that to the west of it is very striking. The distribution of material in relation
  • to existing settlements was much the same as found in the core communes, with slightly fewer concentrations at distances above 300m from modem dwellings. In ail cases material tends to occur within 50 and 300m of settlements - in P, for example, 33.37. of concentrations lie within 100
  • used locally for building, especially roofing, materials was also recorded for each field (though not collected). Thèse materials were not carried for long distances (10—20km maximum) but can usually be clearly di st i ngui shed from local natural , and o-f ten have nail holes
  • on the north-east side of the high land near the Carentoi r /Combl essac boundary and none by the wood in the Lande de Craon, both areas lacking surface pottery too. There was little or no pink material on the western and south-western si des of this high land, and none from Couè'dillan
  • north east to Comblessac, as also north from Comblessac to the Lande de Craon. The pattern of occurrences of the schi stes in thèse transects suggests that the pink schi stes . i.e. material from the Guer quarries, may wel 1 have been the earliest to be used in the roofing industry
  • and the western section of M). Some of the Roman fabrics in eastern ti had not been noted before, and included a late Roman roi 1 er-st amped sherd of Argonne ware from M447, near 'Château Gaillard', 2.5km east of Pipriac bourg ■ This ware has an essentially coastal distribution, although
  • there are finds from the Rance/ Vi 1 ai ne river Systems and one sherd from Pipriac is already known (Galliou 1977: 91-2). The médiéval fabrics from this eastern région seem to have less mica, fewer spi cul es and more grog. Some of the fields with Roman material are of particular interest
  • was found near Le Boschet, Château de la Boulaye, 'Château Gaillard' (ail in M) and near le Mur (R) . There are, however, two cases of such material being found near (apparently) non-seigneurial settlements 300m from Comblessac in R and 100m from La Rigaudiere, 1km south of Pipriac, in M
  • where a 'temple' is sited (R8) , was observed to have a ploughed-out stone building, apparently unrecorded and suggesting a larger complex of buildings than has previously been supposée) Gai 1 i a 1977). Slag was collected from both R8 and R9; that from RS is tap slag, produced
  • by smelting iron ore in shaf t f urnaces; that from R9, however, weighed 2kg and came from the bottoms of bowl furnaces; first- and second-century pottery was collected from the surface in this 6 area. This season 's work has produced several indications that the core communes
  • st i es of the former, was separated from the Ruf f i ac/Carentoir core by the great Bruc 'blank'. Work outside the main season. 19B6—B7 During the past year work has continuée) on other aspects of the project, both field and archivai. Mi cromorphol ogi cal analysis of soi 1
RAP03345.pdf (QUIBERON (56). Beg-er-Vil : Un habitat du Mésolithique sur le littoral du Morbihan. Rapport de FP)
RAP03817 (QUIBERON (56). Beg er Vil : un habitat de chasseurs-cueilleurs maritimes de l'Holocène. Rapport de FP 2019)
RAP03240.pdf (PLOUEZOC'H (29). Grand cairn de Barnenez : nouvelles approches, nouveaux résultats, nouvelles perspectives. Rapport de FP 2015)
  • ) and Fig. 5b, respectively. Remains of painted decorations on orthostats of three dolmens of Very weak bands of amorphous carbon have also been detected. this tumulus have been studied, Figs S11–S17 (Supporting Informa- The stela was made from a dolomitic rock with some content of tion
  • Philippe Gouezin,c Angel Maroto-Valiente,d Laure Salanova,e Gerard Benetau-Douillardf and Emmanuel Mensg Remains of pictorial decorations in a series of six representative megalithic monuments of Brittany (France) and two French stelae have been studied by micro-Raman spectroscopy
  • Henares, Madrid, Spain increasing possibilities for characterising and dating pigments.[1,2] Thereby, the more pigments are found within c UMR 6566-CReAAH, Université Rennes 1, Campus de Beaulieu, 35042 Rennes the megaliths record from such a representative area as Brittany, the Cedex
  • Nanterre La Défense, 21 allée de l’Université, the first time. Six representative megalithic monuments and two stelae 92023 Nanterre, France from Western France have been selected for this purpose, Fig. S1 f Laboratoire d’Archéologie et d’Anthropologie Sociale, Z. A. Les Guigneries
  • , 85320 (Supporting Information). Raman spectra from a large number of points La Bretonnière-La Claye, France may be obtained in situ with portable micro-Raman spectroscopy (μ-RS) instruments, thereby avoiding numerous extractions of g Laboratoire TRACES, UMR5608, Université Toulouse
  • Jean Jaurés, Maison de la Recherche 5, allée Antonio Machado, 31058 Toulouse Cedex 9, France specimens.[8,10,12,13] Orthostats Hernanz et al. A. pictorial materials have been analysed by in situ μ-RS. Some microspecimens from carefully selected points have been removed in order
  • are the most representative within the classic sequence of Brittany: chambers A and H from Barnenez tumulus (Plouezoc’h, Finistère), the gallery of Goërem (Gâvres, Morbihan), the monuments from Dissignac (Saint-Nazaire, Loire-Atlantique) or the dolmens integrated inside the tumulus of Mont
  • feasible to restore some of the decorations. The oldest megalithic monuments from Brittany are dated around the fifth millennia cal BC including Barnenez tumulus,[17] Mont-Saint-Michel and other earlier evidences. The stelae from the megalithic quarry of L’Hirondelle (Bois de Fourgon
  • , Avrillé, Vendée)[18] and the one from the Neolithic collective grave from Saint-Claude (Bury, Oise)[19] are included within this timeframe as well. The selected stelae describe the link between anthropomorphic figures and the northwestern Atlantic contexts, on one hand. On the other
  • cap[12] was mounted over the probe head or the objective to avoid sunlight or other external radiation entering in the spectrometer. The spectral range from 65 to 2500 cm-1 (Stokes) was recorded with a spectral resolution s ~3.5 cm-1. Integration times of 2–3 s and 36 spectral
  • of Δνcal–Δνobs = -0.01 ± 0.05 cm-1 (tStudent 95%).[21] The location of some of the points that have been analysed in situ is indicated (red circles) in Figs2 S3–S23 (Supporting Information). Micro-specimens (size ≤ 1 mm ) of the pigmented areas were extracted from the different sites
  • as to assist in determining the wavenumber of the peaks. Halogen lamp spectra from a cold light source Euromex LE.5210 have been used for spectral background corrections. X-ray microanalyses of the extracted specimens have been carried out using an EDS spectrometer Rontec Xflash Detector
  • . Nevertheless, because of their solid consistency, the surface with pictorial materials of the specimens 6 and 1, from the chamber H of Barnenez tumulus and Mane Rutual monument respectively, have been studied with no physical treatments prior to their analyses. The resulting spectral data
  • have been analysed using the CASA XPS software and RSF database for peak fitting and Shirley background correction. The binding energy has been referenced to the adventitious C 1 s peak at 285 eV. Results and discussions Pictorial materials from eight French megalithic sites
  • components of granitic rocks. The SEM/EDS spectra of the specimens 1, 2 and 6 from this chamber reveal a significant content of Mn, Fig. S24 (Supporting Information). The presence of Copyright © 2015 John Wiley & Sons, Ltd. J. Raman Spectrosc. (2015) μ-Raman of prehistoric paintings
  • in italics. Mn in these specimens has also been identified by XPS, Table S1 (Supporting information). Raman spectra of these specimens of black paint from the chamber H, Fig. 1A, show broad bands in the typical spectral region of Mn–O and Mn–OH bending and stretching vibrations (450–800
  • assignment of the representative Raman spectra shown in Fig. 1A is considered next. A very broad and asymmetric band with a maximum at 643 cm-1, Fig. 1A(a), is frequently observed in these specimens. A study on Magdalenian pigments from Grottes de la Garenne (France) assigned this band
  • to cryptomelane,[37] in disagreement with UV Raman data for this mineral.[25] This band could also be assigned to todorokite,[24,38] pyrochroite[4,38] and manganosite.[22] A multi-peak Lorentzian curve fitting of a similar band observed in black drawings from an Copyright © 2015 John Wiley
  • . Representative micro-Raman spectroscopy spectra obtained from specimens 1, 2 and 6 of the black paint used in the chamber H of Barnenez tumulus, Fig. S6 (Supporting Information). A: spectra (a) and (b) suggest the presence of Mn oxides/oxyhydroxides. B: additional components. ac, amorphous
  • of Fe in these specimens is lower than the content of Mn. For all these reasons, the assignment of this band is not conclusive. Another common spectrum from the specimens 1, 2 and 6, Fig. 1A(b), would support the presence of bixbyite[22,24,29] in this black paint. Calcite has been
RAP03423_4.pdf (RENNES (35). Place Saint-Germain : naissance et évolution d'un quartier de Rennes de l'Antiquité tardive à 1944. Rapport de fouille )
RAP01858.pdf (les sites mésolithiques en Bretagne. rapport de 1re année de projet collectif de recherche)
RAP02398.pdf (ÎLE D'HOËDIC (56). site de Port Blanc. rapport intermédiaire 2008 de fp 2007-2009)
RAP03493 (QUIBERON (56). Beg er Vil : un habitat du Mésolithique sur le littoral du Morbihan. Rapport intermédiaire de FP)
RAP02514.pdf (HOËDIC (56). site de Port-Blanc. rapport intermédiaire 2009 de fp 2007-2009)
RAP02282.pdf (île d'HOËDIC (56). site de Port Blanc. rapport intermédiaire 2007 de fp 2007-2009.)