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Record details

ID:EHG3961
External Ref:60028
Name:Excavation - Thrumster Broch, Caithness
Organisation:AOC Archaeology Group
Date:July 2011

Description

Excavations were carried out by AOC Archaeology Group and community members in July 2011 on behalf of the Yarrows Heritage Trust as part of a project to investigate brochs excavated by Tress Barry, at Thrumster broch, Wick. The eight trenches opened during investigations revealed that well preserved deposits were still intact in places and that the structure was more complex than previously thought. The roundhouse hd gone through several phases of modification and rebuilding, with radiocarbon dating indicating that these phases occurred through the later first millenium BC and earlier first millenium AD. A sizeable artefact assemblage was recovered, and human remains were among the bone assemblage. <1>

Type(s) of Investigation

  • EXCAVATION

Images

Wallhead landscaping in trench 6 (photo by AOC Archaeology)  © AOC ArchaeologyWallhead landcaping in trench 6 (photo by AOC Archaeology)  © AOC ArchaeologyWallhead landcaping in trench 6 (photo by AOC Archaeology)  © AOC ArchaeologyCore structure internal masonry surviving to north side of trench 5 (photo by AOC Archaeology)  © AOC ArchaeologyOuter face of core structure (behind OLW) shows break in masonry c.60cm from left of cutting (photo by AOC Archaeology)  © AOC ArchaeologyRealignment of the outer wallface in the area of trench 5 (photo by AOC Archaeology)  © AOC ArchaeologyIron strapwork rivetted to bedrock and formed to contain an upright post (photo by AOC Archaeology)  © AOC ArchaeologyIron strapwork rivetted to bedrock and formed to contain an upright post. The curved remnant at the left hand end may have been a stay or the anchorage for a stay (photo by AOC Archaeology)  © AOC ArchaeologyVictorian spongeware pot in bedrock hollow within central pit (photo by AOC Archaeology)  © AOC ArchaeologySondage trench along north margin of Cutting trench 1 (photo by AOC Archaeology)  © AOC ArchaeologySoils under ILW in trench 1 (photo by AOC Archaeology)  © AOC ArchaeologySpindle whorl in situ, in Trench 1 (photo by AOC Archaeology)  © AOC ArchaeologyThe OLW adjacent to the trench 3 entrance; clearly not bonded to the core structure (photo by AOC Archaeology)  © AOC ArchaeologyThe ILW adjacent entrance; clearly not bonded to the core structure (photo by AOC Archaeology)  © AOC ArchaeologyThe OLW in trench 8, the original wall of the broch set on flat foundation-plynth slabs (photo by AOC Archaeology)  © AOC ArchaeologyInner orthostats of the western entrance (photo by AOC Archaeology)  © AOC ArchaeologyNorth side of the entrance passage. Note proliferation of split and crushed stone (photo by AOC Archaeology)  © AOC ArchaeologySouth side of the entrance passage (photo by AOC Archaeology)  © AOC ArchaeologyViews of the surviving splinter of the north, outer orthostat (photo by AOC Archaeology)  © AOC ArchaeologyViews of the surviving splinter of the north, outer orthostat (photo by AOC Archaeology)  © AOC ArchaeologySpud stone, found in situ at foot of south inner orthostat, with cup to receive closing stile of a door (photo by AOC Archaeology)  © AOC ArchaeologyThe outer wall, pre-excavation, was not visible in the area of T3, nor further south along the wallface (photo by AOC Archaeology)  © AOC ArchaeologyTrench 6, foot of the outer wallface (photo by AOC Archaeology)  © AOC ArchaeologyDebris slope in broch interior adjacent to T4 (photo by AOC Archaeology)  © AOC ArchaeologyWallhead deturfed in T4 (photo by AOC Archaeology)  © AOC ArchaeologyStones in and under [52] in T4 (photo by AOC Archaeology)  © AOC ArchaeologyThe structure of the wall-cell in T4 (photo by AOC Archaeology)  © AOC ArchaeologyThe inner blocking stone at rear of wall-cell in T4, during excavation (photo by AOC Archaeology)  © AOC ArchaeologyFloor slabs within wall-cell T4; note reerection of blocking stone at bottom (photo by AOC Archaeology)  © AOC ArchaeologyBig blocky stones in dark soil under wall-cell fl oor in T4 (photo by AOC Archaeology)  © AOC ArchaeologyWest end wall of the wall-cell in T4; note poor keying with side walls (photo by AOC Archaeology)  © AOC ArchaeologyPoor detailing of the door space with isolated masonry columns for door jambs (photo by AOC Archaeology)  © AOC ArchaeologyCore structure wall interior between T4 wall-cell (left) and T9 gallery (right) (photo by AOC Archaeology)  © AOC ArchaeologySondage at outside face of the earthfast blocking stone; note OLW stones rest on the slab (photo by AOC Archaeology)  © AOC ArchaeologyExternal wallface panorama (photo by AOC Archaeology)  © AOC ArchaeologyFoundation plinth seen from above (photo by AOC Archaeology)  © AOC ArchaeologyThe lowest deposits in the intramural space T8 (photo by AOC Archaeology)  © AOC ArchaeologyThe main infi ll layers in the intramural space, T8 (photo by AOC Archaeology)  © AOC ArchaeologyStone lamp in intramural void filling of T8 (photo by AOC Archaeology)  © AOC ArchaeologyPanorama major fracture in SE wall of gallery (photo by AOC Archaeology)  © AOC ArchaeologyPanorama of inner gallery wall in SE side, left of Figure 9_2a (photo by AOC Archaeology)  © AOC ArchaeologyNW wall panorama (photo by AOC Archaeology)  © AOC ArchaeologyNW wall panorama (photo by AOC Archaeology)  © AOC ArchaeologyGallery, south end wall panorama (photo by AOC Archaeology)  © AOC ArchaeologyGallery, north end wall (photo by AOC Archaeology)  © AOC ArchaeologyILW across the gallery entrance. The lines indicate the entrance location and one phase of rebuild (photo by AOC Archaeology)  © AOC ArchaeologySoil under original entrance to gallery (photo by AOC Archaeology)  © AOC ArchaeologyPanorama reverse of entrance blocking of gallery by ILW (photo by AOC Archaeology)  © AOC ArchaeologySupporting wall under construction in gallery (photo by AOC Archaeology)  © AOC ArchaeologyNorth inner orthostat; note its relationships with wall, passage, paving and ILW (photo by AOC Archaeology)  © AOC Archaeology

Reports

Fieldwork Report  © AOC Archaeology Group (File size: 8727 KB)
Grid Reference:Centred ND 3319 4505 (33m by 23m)
Map Sheet:ND34NW
Civil Parish:WICK
Geographical Area:CAITHNESS
Location:Wick, Caithness

Associated Finds - none

Sources and further reading

  • Text/Report/Fieldwork Report: Barber, J and Humphreys, P. 2011. Thrumster Broch Community Excavations 2011: Final Report. AOC Archaeology Group. Digital.

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