IAIT-A-1

object data

fabric description

archaeometry

petrography

sample no	M 187/47 representative sample for IAIT-A-1
fabric type	IAIT-A-1
supposed site of production	Monte Iato / Iaitas
sample taken	February 2019, by Alessandro Corretti, Scuola Normale Superiore di Pisa
	Context Data
site of discovery	Entella Survey
registration code of context	UT 236
registration code of object	Inv. 2002
	Object
ware	Transport Amphorae
object form	Amphora
object type	Western Greek, Gassner rim 3-4
chronology of object	Greek 510-450
fragmentation	rim
dimensions	height: 4cm
surface description	slipped traces of pink slip inside/outside 7.5 YR 8/3
drawing
publication	Corretti and Michelini 2020, 8, cat. 2.

object data

fabric description

archaeometry

petrography

	Visual Examination of Fresh Break
visual examination of fresh break	Dark pinkish clay, coarse and granular, with a good amount of visible inclusions of small and big size and of reddish or white-yellowish colour
colour of fresh break	2.5 YR 6/6
texture of fresh break	granular
hardness	very hard
	Observation Under the Binocular Stereoscope (all lengths in mm)
porosity	void form: channel;vughy; void length: 0.08-1.31 (channel lenght)
inclusions	length: 0.04-1.59
sorting	well sorted sand in different compositions
	Inclusions (all lengths in mm)
black iron oxide concretions	singular, well rounded, elongate, brownish black, 0.24
calciumcarbonate	frequent/infrequent, well rounded, very spherical, white, 0.04-08-0.40
carbonate pseudomorphoses	frequent, rounded;well rounded, very spherical, white/yellowish, 0.04-0.40
more inclusions2	frequent, rounded, very spherical, orangish/pinkish, 0.08-0.56-60
more inclusions3	frequent, rounded;well rounded, linear;very spherical, yellow /light yellow, 0.16-0.83-1.59
quartz	infrequent, rounded;well rounded, subspherical;very spherical, whitish or transparent, 0.08-0.16-40
reddish inclusions	frequent, subangular;subrounded, subspherical;spherical, red, 0.04-08-0.40
red iron oxide concretions	sporadic, subangular, spherical, dark red, 0.08-0.32

object data

fabric description

archaeometry

petrography

applied method for sample analysis	thin section
analysis author	Montana/Randazzo

object data

fabric description

archaeometry

petrography

sample number	M 187/47
inventory number	Inv. 2002 UT 236
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)	high (20-30%)
size/granulometry (mm)	prevalent: very fine (0.04-0.1mm), fine (0.1-0.2mm) common: medium (0.2-0.5mm) sporadic: coarse (0.5-2mm)
maximum grain size (mm)	0.8
sorting	scarce-serial
roundness	angular
	Composition
minerals	common: Monocrystalline Quartz sporadic: Polycrystalline Quartz, Muscovite
rock fragments	rare: Sedimentary (Sandstone)
other compositional/textural features	prevalent: Microfossils (Benthic Foraminifera), Micritic Clots
quartz grains	angular
	Groundmass
	Texture
texture	moderately homogeneous patchy: frequent
optical activity	inactive
degree of sintering	well sintered
	Porosity
voids/pores abundance (area)	medium (10-30%)
voids/pores size	prevalent: tiny (<0.01mm), small (0.01-0.1mm), medium (0.1-1mm), large (>1mm)
voids/pores orientation	none
voids/pores shape	prevalent: irregular, rounded, cast
	Clay Composition
clay composition	ca-rich
	Estimations from Microscopy/Interpretation
	Interpretation
firing temperature	well fired
refinement of raw clay	acceptable
refinement of temper/clasts	sieved natural sand
modelling technique/fabrication	use of wheel