 | Thomas Nelson Dale - 1908 - 458 Seiten
...of the deflection of the rift due to gravity, strain, or other not yet understood cause. SALT-HORSE. Quarrymen's term for aplite. SAND SEAMS. Quarry term...mica) with some quartz, in cases also with feldspar. (See p. 51.) SAND STREAKS. Same as sand seams. SAP. Quarrymen's term for ferruginous discoloration... | |
 | Thomas Nelson Dale - 1908 - 250 Seiten
...not yet understood cause. SALT-HORSE. Quarrymen's term for aplite. SAND SEAMS. Quarry term for-more or less minute veins or dikes of muscovite (white...mica) with some quartz, in cases also with feldspar. (See p. 51.) SAND STREAKS. Same as sand seams. SAP. Quarrymen's term for ferruginous discoloration... | |
 | Vermont. State Geologist - 1910 - 576 Seiten
...deflection of the rift due to gravity, strain or other not yet understood cause. SALT-HORSE. Qviarrymen's term for aplite. SAND SEAMS. Quarry term for more...also with feldspar. SAND STREAKS. Same as sand seams. SAT. Quarry-men's term for ferruginous discoloration along sheet or joint surfaces. SCHIST. A rock... | |
 | Vermont. State Geologist - 1910 - 632 Seiten
...of the deflection of the rift due to gravity, strain or other not yet understood cause. SAL.T-HORSE. Quarrymen's term for aplite. SAND SEAMS. Quarry term for more or less minute veins or dikes of museovite (white mic;i) witli some quartz, in cases also with feldspar. SAND STREAKS. Same as sand... | |
 | Thomas Nelson Dale, Herbert Ernest Gregory - 1911 - 698 Seiten
...due to gravity, strain, or other not yet understood cause. SALT HORSE. Quarrynien's term for apllte. SAND SEAMS. Quarry term for more or less minute veins or dikes of rnuscovite (white mica) with some quartz, in cases also with feldspar. SAND STREAKS. Same as sand seams.... | |
 | Arthur Wellington Brayley - 1913 - 276 Seiten
...strain, or other not yet understood cause. SALT-HORSE — Quarrymen's term for aplite. SAND SEAMS — More or less minute veins or dikes of muscovite (white...mica) with some quartz, in cases also with feldspar. SAP — Ferruginous discoloration along sheet or joint surfaces. SEAM — Quarrymen's term for joint.... | |
 | United States. Bureau of Mines - 1920 - 778 Seiten
...observation. Compare Glacial striœ. Sand seam. A quarry term for a more or less minute vein or dike of muscovite (white mica) with some quartz, in cases also with feldspar. (Perkins) Sandstone. An indurated sedimentary rock formed of coherent or cemented sand. (La Forge)... | |
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Quarrymen's term for aplite. SAND SEAMS. Quarry term for more or less minute veins or dikes of muscovite (white mica) with some quartz, in cases also with feldspar. 