FACEM - provenience studies on pottery in the central mediterranean


fabric descriptionobject dataarchaeometry
fabric type ISC-CBM-1
ware Ceramic Building Materials
supposed site of production Ischia
certainty of arguments archaeometric: quite certain
visual excamination of fresh break light brown to reddish yellow, irregular; some dark gray to black medium-sized inclusions, transparent quartz
colour of freshly broken section (munsell) 7.5YR6/4-6
texture of freshly broken surface irregular
hardness hard
porosity 2.5%; void form: vughy; void length: 0,04-0,25
inclusions 15%, length: 0,04-1,5
sorting bimodal: poorly-sorted sand in well-sorted silt


quartz very frequent, angular, spherical, clear; white, 0.2-1,5
mica infrequent, 0.04
calciumcarbonate frequent, rounded, subspherical, white, 0.04-0.6
reddish inclusions infrequent, angular, spherical, light red, 0,4-0,6
black inclusions frequent, angular, spherical, black
brown inclusions infrequent, angular, spherical, rusty brown, 0,2-0,8
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