Excerpt from The Deep Boring at Spur
Origin of the anhydrite; Other minerals; Quartz; Calcite; Pyrite; Gypsum and salt; Bitumen and ammonia; The Cisco Formation; Limestone; Shale; Notes on fossils; Fossils in the Cisco; List of fossils from the Cisco formation; Fossils of the shaly dolomitic beds; Fossils from the sandy dolomitic beds; From 2267 to 2956 feet; From 2244 to 2264 feet; From 1250 to 2042 feet; Economic results; Water; Discovery of potash; Analyses of rock samples; Prospecting for potash; Westward dip of strata; Outcrop of potash-bearing horizon; Potash in other well-waters in Texas; Oil and gas; Index
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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works. Это и многое другое вы найдете в книге The Deep Boring at Spur (Classic Reprint) (J. An; Udden)