FACEM
Provenance Studies on Ancient Pottery in the Mediterranean
| | object data | | fabric description | | archaeometry | | |
| sample no |
M 12/12
representative sample for ISC-CBM-1 |
| fabric type |
ISC-CBM-1
|
| supposed site of production |
Ischia / Pithekoussai |
| sample taken |
July 1994, by Verena Gassner, Institute of Classical Archaeology, Vienna University |
| |
Context Data
|
| site of discovery |
Ischia / Pithekoussai Santa Restituta, workshop, heap of bricks |
| |
Object
|
| ware |
Ceramic Building Materials |
| object form |
Tile (roof tile) |
| fragmentation |
fragmentation not specified |
| surface description |
coarse |
| | object data | | fabric description | | archaeometry | | |
| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
yellowish red, irregular; numerous fine dark gray and white inclusions, mica |
| colour of fresh break |
5YR5/6 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
7.5%; void form: vughy; void length: 0.08-0.28 |
| inclusions |
25%, length: 0.08-1.2 |
| sorting |
bimodal: poorly-sorted sand in well-sorted silt |
| |
Inclusions
(all lengths in mm)
|
|
black iron oxide concretions |
frequent, rounded, spherical - subspherical, black, 0.08-0.6 |
|
brown inclusions |
infrequent, rounded, subspherical, yellowish brown, 0.4-0.75 |
|
mica |
infrequent, angular, spherical; elongate, white; dark, 0.04-0.12 |
|
quartz |
frequent, angular, spherical, clear, 0.12-0.8 |
|
red iron oxide concretions |
infrequent, rounded, spherical, reddish brown, 0.2 |
|
white inclusions |
frequent, subrounded, spherical - subelongate, white, 0.08-0.3 |
| | object data | | fabric description | | archaeometry | | |
| applied method for sample analysis |
thin section and heavy mineral analysis |
| analysis author |
Roman Sauer |
Cite this page as: FACEM - http://facem.at/isc-cbm-1