FIG. 5 in Silurian and Devonian strata on the Severnaya Zemlya and Sedov archipelagos (Russia)

FIG. 5. — Silurian section on the Matusevich River, and in the Spokojnaya River-Krasnaya Bay region (for location of outcrops see Figs 1; 2; 9). To the right of the lithological log are shown the numbers of the beds described, and the extent of the outcrops studied. The interval above bed 24 in outcrop 45 was not logged in detail. 1, limestone; 2, argillaceous limestone; 3, dolomitized limestone; 4, limestone with pentamerids; 5, limestone with tabulate corals; 6, limestone with stromatoporoids; 7, limestone with stromatolites; 8, coral-stromatoporoid biostromes and bioherms; 9, oolithic limestone; 10, oncolitic limestone; 11, carbonate conglomerates; 12, silicified limestone; 13, sandstone; 14, conglomeratic sandstone; 15, fine cross-bedding in sandstone; 16, coarse cross-bedding in sandstone; 17, marlstone; 18, dolomitized marlstone; 19, siltstone; 20, argillite; 21, gypsum. Colour of rock for Fig. 12: 22, grey; 23, red; 24, variegated.