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Table 1 List of analysed items, their archaeological details, and key results of the analyses. Maximum firing temperature estimates according to Berna et al. [28]. Abbreviations: Ca = calcite; Qtz = quartz; and Cl = clays, N.A. = not available

From: Identification of Fazael 2 (4000–3900 BCE) as first lost wax casting workshop in the Chalcolithic Southern Levant

Object ID

Locus

Basket

Type

Features

Paste (Petrography)

Mineralogical composition (FTIR)

Clays’ main peak position (cm-1)

Estimated firing Tmax (°C)

F219

225

440

Crucible fragment

Bloated matrix, vitrified patches on surface

Silt-rich clay completely blackened, vegetal matter

Slagged material, Qtz-like structure

1081

> 900

F222

210

335

Crucible fragment

Cross-section shows red and black zones parallel to inside surface, preferred orientation of vegetal matter

Silt-rich clay, mostly blackened, vegetal matter, round aggregates of same clay with almost no silt

Slagged material, Qtz-like structure

1085

> 900

F225

106

446

Vessel fragment

Cracks subparallel to inside surface

Moza clay, carbonaceous sand

Ca > Cl > Qtz

1047

700–800

F225a

106

446

Baked sediment nodule

No shaped surfaces

Calcareous clay, vegetal matter, carbonaceous sand

Ca > Cl > Qtz

shoulder at 1040

500–600

F228

225

503

Crucible fragment

Bloated matrix, preferred orientation of vegetal matter

Silt-rich clay completely blackened, vegetal matter

N.A.

N.A.

N.A.

F229

225

440

Vessel, undiagnostic wall fragment

 

Moza clay, carbonaceous sand

N.A.

N.A.

N.A.

F2-Y39

361

665

Baked sediment nodule

Two layers: regular paste and finer-grained paste richer in silt

Ferruginous silt-rich clay

Cl > Ca > Qtz

1035

< 400

F2-Y42

361

665

Baked sediment nodule

 

Ferruginous silt-rich clay

N.A.

N.A.

N.A.

F2-Y52

361

665

Baked sediment nodule

 

Ferruginous silt-rich clay

Cl > Ca > Qtz

1035

< 400

F2-Y50

361

665

Baked sediment nodule

Areas with roughly chopped subparallel aligned vegetal matter and areas with sand-sized carbonate grains

Ferruginous silt-rich clay, vegetal matter, calcareous sand

Ca > Cl > Qtz

1035

< 400

F2-Y55

361

665

Baked sediment nodule

Less silt than in other sediment nodules, completely blackened, vitreous inclusions

Silt-containing opaque matrix, round aggregates with almost no silt, vegetal matter, carbonaceous sand, vitreous inclusions

Cl > Ca > Qtz

1035

< 400

F2-Y57

363

669

Baked sediment nodule

Particularly silt-rich matrix

Ferruginous silt-rich clay

N.A.

N.A.

N.A.

F2-Y64

366

674

Baked sediment nodule

Finely chopped vegetal matter

Ferruginous silt-rich clay, vegetal matter

Cl > Ca > Qtz

1035

< 400

F2-YA3

351

650

Baked sediment nodule

 

Ferruginous silt-rich clay, carbonaceous sand, vegetal matter

Cl > Ca > Qtz

1035

< 400

Unfired control

N.A.

N.A.

Clay

  

Cl > Ca > Qtz

1035

< 400