Sandstone piece KM73-271
KM73-271
ID1
LocationUkraine
Approximate number of models32
Approximate size2000 GB
Kamyana Mohyla is a rock art location in Southeastern Ukraine. This is the only one large rock art location in Ukraine. It contains prehistoric art pieces associated with the wast landmass from Central Europe to Western Mongolia. The site consists of 68 rock art locations and almost 400 portable rock art pieces, all engraved in the dense and heavy sandstone. Portable rock art specimens extracted by Valentin Danilenko from Churinga Cave in 1973—1974. There are no archaeological or stratigraphic context in the cave. However, based on the outlook of the figurines, the nature of the stones and the pecularities of the ornamentatioin, they were attributed to the Late Mesolithic of the region.
Dataset contains 30 portable rock art specimens (32 3D models) made of the hard sandstone and sometimes covered with shallow engravings on surface. Some of the stones represent fish figurines, others are amorphous
Metadata
Description
An amorphous piece of sandstone covered with desert varnish. The back side is damaged and eroded — the varnish is only partially preserved. The front side has a very irregular surface and contains a few shallow linear engravings.
Date of discovery
1973
Material source
Sandstone
From / Current location
Myrne, Zaporizhzhya oblast, Ukraine / Institute of Archaeology of the NAS of Ukraine
Museum №
N/A
Museum № extention
N/A
Colour
N/A
Chronological attribution
N/A
Site name
N/A
Location name
N/A
Metric parameters
16x10 cm
Weight
721 g
Volume
0.000381 m³
Density
1892.3885 kg/m³
Paradata
Data acquisition technique
Image-based 3D modeling
Data acquisition date
23.09.2024
Data acquisition equipment
Sony a7RV, Sony FE 50mm f/2.8, G
Focal length
50
Aperture
1/16
ISO
100
Exposure
1/15 s
Image processing software
Capture One
Adobe Photoshop
Adobe Photoshop
3D model creation software
Agisoft Metashape v.1.8.1
Capturing strategy
570 digital images in RAW format. 5 rounds of imaging with different object orientations: bottom-up, up-bottom, back side, left side, right side. Sharp edges were acquired with additional precision. SfM photogrammetry, static camera within scenes, an artifact on the turntable, black background; scaled from calibrated metric scale bars. Remote shutter release.
Format of supplementary files
*.mtl
*.jpg
*.jpg
File format / 3D model
*.obj
Number of facets
21,965,716
Length of triangle side
0.0692 mm
Referencing accuracy
0.178 mm
Measuring accuracy
0.206 mm
Calculated accuracy (RMSE)
0.207 mm
Engraving data
Material
N/A
Material of the surface modification tool
N/A
Type of surface modification
N/A
Other artifacts from dataset
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Sandstone piece KM73-251-2
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Sandstone piece KM73-253
Sandstone piece KM73-254
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Sandstone piece KM74-28
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Sandstone piece KM73-245
Sandstone piece KM73-246-1
Sandstone piece KM73-246-2
Sandstone piece KM73-246-3
Sandstone piece KM73-246a
Sandstone piece KM73-247
Sandstone piece KM73-248