| | fabric description | | object data | | archaeometry | | |
fabric type |
ISC-CBM-1
|
ware |
Ceramic Building Materials |
supposed site of production |
Ischia |
certainty of arguments |
archaeometric: certain |
visual excamination of fresh break |
yellowish red, irregular; numerous fine dark gray and white inclusions, mica |
colour of freshly broken section (munsell) |
5YR5/6 |
texture of freshly broken surface |
irregular |
hardness |
hard |
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
|
quartz |
frequent, angular, spherical, clear, 0.12-0,8 |
mica |
infrequent, angular, spherical; elongate, white; dark, 0,04-0,12 |
black iron oxide concretions |
frequent, rounded, spherical - subspherical, black, 0,08-0,6 |
red iron oxide concretions |
infrequent, rounded, spherical, reddish brown, 0,2 |
brown inclusions |
infrequent, rounded, subspherical, yellowish brown, 0,4-0,75 |
white inclusions |
frequent, subrounded, spherical - subelongate, white, 0,08-0,3 |
| | fabric description | | object data | | archaeometry | | |
vessel form type |
Tile (roof tile) |
fragmentation |
fragmentation not specified |
surface description |
coarse |
|
Context Data
|
site of discovery |
Ischia Santa Restituta, workshop, heap of bricks |
| | fabric description | | object data | | archaeometry | | |
applied method for sample analysis |
thin section and heavy mineral analysis |
analysis author |
Roman Sauer |
sample taken |
July 1994, by Verena Gassner, Institute of Classical Archaeology, Vienna University |
sample no |
M 12/12 representative sample for ISC-CBM-1 |
status of sample |
sample surplus and thin section surplus available |
Cite this page as: FACEM - http://facem.at/isc-cbm-1