FACEM
Provenance Studies on Ancient Pottery in the Mediterranean
| | object data | | fabric description | | archaeometry | | petrography | | |
| sample no |
M 187/30 |
| fabric type |
MOT-C-1
|
| supposed site of production |
Mozia / Motya |
| sample taken |
April 2014, by Scuola Normale Superiore di Pisa |
| |
Context Data
|
| site of discovery |
Entella |
| registration code of context |
MO 001 B |
| registration code of object |
MO 001 B |
| |
Object
|
| ware |
Coarse Wares
Plain Ware |
| object form |
Basin |
| object type |
as Denaro basin type III |
| fragmentation |
rim |
| dimensions |
diameter: 40cm (rim) |
| drawing |
|
| publication |
Quartararo 2012. |
| | object data | | fabric description | | archaeometry | | petrography | | |
| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour red, texture middle fine and compact, numerous small to large inclusions: white, yellowish white, voids |
| colour of fresh break |
red 10 R 5/6 |
| texture of fresh break |
smooth |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
7.5%; void form: vughy, channel; void length: 0.04 (vughy), 0.06 (channel)-0.45 (vughy), 0.85 (channel) |
| inclusions |
25%, length: <0.04-0.64 |
| sorting |
moderately sorted sand |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
singular, spherical, black, 0.08 |
|
calciumcarbonate |
riddled with, rounded - subrounded, very spherical - subspherical, elongate, yellowish white, white, <0.04-0.6 |
|
carbonate pseudomorphoses |
very frequent, rounded - subrounded, very spherical - subspherical, subelongate, white, 0.04-0.64 |
|
mica |
singular, spherical, elongate, white, <0.04-0.04 |
|
quartz |
very frequent, well rounded - rounded, very spherical - subspherical, grey, clear, 0.08-0.32 |
|
reddish inclusions |
singular, spherical, reddish brown, 0.08 |
| | object data | | fabric description | | archaeometry | | petrography | | |
| applied method for sample analysis |
thin section |
| analysis author |
Giuseppe Montana |
| | object data | | fabric description | | archaeometry | | petrography | | |
| sample number |
M 187/30 |
| inventory number |
MO 001 B |
| name of author |
Giuseppe Montana - Luciana Randazzo |
| institution of author |
Department of Earth and Marine Sciences (DiSTeM) - University of Palermo |
| contact information of author |
giuseppe.montana@unipa.it; luciana.randazzo@unipa.it |
| |
Temper Grains
|
| |
Microstructure
|
| areal distribution |
moderately homogeneous |
| packing (% area) |
medium (10-20%) |
| size/granulometry (mm) |
prevalent:
fine (0.1-0.2mm), medium (0.2-0.5mm)
|
| maximum grain size (mm) |
0.5 mm |
| sorting |
scarce-bimodal |
| roundness |
sub-angular |
| |
Composition
|
| minerals |
prevalent: Monocrystalline Quartz
common: Orthoclase (alteration)
sporadic: Polycrystalline Quartz
rare: Plagioclase, Muscovite
|
| rock fragments |
rare: Sedimentary (Sandstone, Chert)
|
| other compositional/textural features |
frequent: Microfossils, Micritic Clots
|
| quartz grains |
sub-angular |
| |
Groundmass
|
| |
Texture
|
| texture |
moderately homogeneous patchy: common |
| optical activity |
slightly active |
| color (plane polarized light) |
reddish |
| degree of sintering |
partly sintered |
| |
Porosity
|
| voids/pores abundance (area) |
medium (10-30%) |
| voids/pores size |
prevalent: medium (0.1-1mm), large (>1mm)
|
| voids/pores orientation |
full |
| voids/pores shape |
prevalent: irregular, vesicular, cast
|
| |
Newly Formed Phases
|
| newly formed phases |
common: secondary calcite
|
| |
Clay Composition
|
| clay composition |
ca-rich |
| |
Estimations from Microscopy/Interpretation
|
| |
Interpretation
|
| firing temperature |
low fired |
| refinement of raw clay |
acceptable |
| refinement of temper/clasts |
sieved natural sand |
| modelling technique/fabrication |
use of wheel |
Cite this page as: FACEM - http://facem.at/m-187-30
production
discovery
M 187/28
