Table 4 Thin-section petrographic results of the 11 coarse-paste Shijiahe-period sherds
G3① Samples | Inclusions | Pore | Clay matrix | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sand (> 0.0625 mm) | Slit (≤ 0.0625 mm) | P.S (mm) | Content (%) | Clay mineral | Content (%) | |||||||
Types | P.S (mm) | Content (%) | Types | P.S (mm) | Content (%) | |||||||
M | R | M | R | |||||||||
SJH-07 ding | — | MS, MR, Qtz | 0.5–3 | 10 | FMR | < 0.05 | 50 | – | < 1 | Ill, Kao | 40 | |
SJH-09 ding | Qz, Fs | MS, MR | < 0.3 | 15 | – | – | – | 0.05–0.2 | < 1 | Kao, FMR | 85 | |
SJH-10 ding | Fs | Gr, MS, MR, SAS | 0.5–3.5 | 15 | FMR | 0.01–0.04 | 30 | – | 5 | Kao | 50 | |
SJH-31 guan | Qz, Fs | MS, Gr, Qtz | 0.1–2 | 20 | FMR | 0.01–0.05 | 25 | – | < 1 | Ill | 55 | |
SJH-34 guan | Qz, Fs | MS, Gr, Qtz | 0.5–4 | 25 | – | – | – | – | 5 | Ill | 70 | |
SJH-36 guan | Qz, Fs | MS, Gr | < 0.1 | 6 | – | – | – | 0.05–0.1 | 4 | Ill, Kao | 90 | |
SJH-39 weng | — | MS | 0.5–3 | 10 | – | – | – | – | < 1 | Ill, FMR | 90 | |
SJH-44 gang | Qz, Fs | MS, Gr, Qtz | 0.5–3 | 15 | FMR | 0.01–0.05 | 15 | – | 5 | Ill | 60 | |
SJH-45 gang | Qz, Fs | MS, Gr, Qtz | 0.2–3.5 | 20 | FMR | 0.01–0.05 | 15 | – | 5 | Ill | 60 | |
SJH-48 gang | Qz, Fs | MS, Qtz | 0.2–1 | 5 | FMR | < 0.05 | 50 | – | < 1 | Kao | 45 | |
SJH-50 gang | Qz, Fs, Ms | MS, Gr, Qtz | 0.2–3.5 | 45 | – | – | – | – | 2 | Ill | 43 | |