Figure 3 | Scientific Reports

Figure 3

From: Pyrometamorphic process of ceramic composite materials in pottery production in the Bronze/Iron Age of the Northern Caucasus (Russia)

Figure 3

Mineralogical composition of sand grains in the ceramic paste (all scales for 100 µm): (a) quartz and K-feldspar matrix, biotite-chlorite and kaolinite-albite as alteration trace; (b) diopside and albite in altered glass matrix; (c) anorthite-bytownite, quartz and alteration product; (d) sanidine and kaolinite (alteration); (e) anorthite-bytownite-labradorite, quartz, olivine (alteration); (f) biotite-chlorite, alteration product, vitreous porous grains; (g) calcite; (h) calcite in thermal decomposition; (i) lithoclast composed of K-feldspar, quartz and mica; (j) aggregate composed of clay, K-feldspar and quartz; (k) aggregate composed of clay in sintering, quartz (Ab: albite, An: anorthite, Byt: bytownite, Bt: biotite, Chl: chlorite, Clc: calcite, Cpx: clinopyroxene, Di: diopside, Lab: labradorite, Ol: olivine, Plg: plagioclase, Qtz: quartz, Sa: sanidine).

Back to article page