 ... These give the rock a worm-eaten aspect, which led the late Prof. Eaton to call similar beds, belonging to the same geological horizon in the State of New York, vermicular lime-rock. In other beds the surface of the cores is marked from the removal,...  Records of the Geological Survey of India - Page 254by Geological Survey of India - 1914Full view - About this book
 | Geological Survey of Canada - Paleontology - 1878 - 606 pages
...surface of the cores is marked from the removal, by solution, of thin-bladed crystals, which has given rise to what appear like small gashes or incisions in the compact rock. These are sometimes half-un-iach in length, and occasionally intersect each other at right angles. Some portions of the... | |
 | American Institute of Mining, Metallurgical, and Petroleum Engineers - Metallurgy - 1877 - 740 pages
...surface of the cores is marked from the removal, by solution, of thin-bladed crystals, which has given rise to what appear like small gashes or incisions in the compact rock. These are sometimes half an inch in length, and occasionally intersect each other at right angles. Some portions of the... | |
 | Geological Survey of Canada - Paleontology - 1878 - 604 pages
...surface of the cores is marked from the removal, by solution, of thin-bladed crystals, which has given rise to what appear like small gashes or incisions...half-an-inch in length, and occasionally intersect eacfs other at right angles. Some portions of the rock are porous or cellularthroughout, and in other... | |
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