 | 1907 - 1026 Seiten
...OF SCIENTIFIC AND QUARRY TERMS. ACCESSORY MINERALS In granite are original constituents of the nx-k, found only In small, often only in microscopic quantity....granite sheets or sedimentary beds that form an arch. APLITK. Fine-grained granite, usually occurring In dikes and containing little mica and n high percentage... | |
 | Thomas Nelson Dale - 1907 - 240 Seiten
...is given in this report. GLOSSARY OF SCIENTIFIC AND QUARRY TERMS. ACCESSORY MINERALS in granite are original constituents of the rock', found only in...granite sheets or sedimentary beds that form an arch. APLITB. Fine-grained granite, usually occurring in dikes and containing little mica and a high percentage... | |
 | Geological Survey (U.S.) - 1907 - 244 Seiten
...is given in this report. GLOSSARY OF SCIENTIFIC AND QUARRY TERMS. ACCESSORY MINERALS in granite are original constituents of the rock, found only in small,...microscopic quantity. (See p. 17.) ANTICLINE. A term appiied to granite sheets or sedimentary beds that form an arch. APLITE. Fine-grained granite, usually... | |
 | Thomas Nelson Dale - 1908 - 250 Seiten
...form in his other works. GLOSSARY OF SCIENTIFIC AND QUARRY TERMS. ACCESSORY MINERALS in granite are original constituents of the rock, found only in small, often only in microscopic quantity. ACIDIC. A term applied to rocks in which silicic acid (silica) or quartz predominates. ALLANITE. An... | |
 | Thomas Nelson Dale - 1908 - 458 Seiten
...form in his other works. GIXJSSARY OF SCIENTIFIC AND QUARRY TERMS. ACCESSORY MINERALS in granite are original constituents of the rock, found only in small, often only in microscopic quantity. ACIDIC. A term applied to rocks in which silicic acid (silica) or quartz predominates. ALLAKITE. An... | |
 | Geological Survey (U.S.) - 1908 - 270 Seiten
...form in his other works. GLOSSARY OF SCIENTIFIC AND QUARRY TERMS. ACCESSORY MINERALS in granite are original constituents of the rock, found only in small, often only in microscopic quantity. ACIDIC. A term applied to .rocks in which silicic acid (silica) or quartz predominates. ALLANITE. An... | |
 | George Ferdinand Becker - 1909 - 286 Seiten
...4782— Bull. 404—09 9 GLOSSARY OF SCIENTIFIC AND QUARRY TERMS. ACCESSORY MINERALS in granite are original constituents of the rock, found only in small, often only in microscopic quantity. ACIDIC. A term applied to rocks in which silicic acid (silica) or quartz predominates. ALLANITE. An... | |
 | Thomas Nelson Dale - 1909 - 158 Seiten
...4782— Bull. 404—09 9 GLOSSARY OF SCIENTIFIC AND QUARRY TERMS. ACCESSORY MINERALS in granite are original constituents of the rock, found only in small, often only in microscopic quantity. • ACIDIC. A term applied to rocks in which silicic acid (silica) or quartz predominates. ALLANITE.... | |
 | Geological Survey (U.S.) - 1911 - 162 Seiten
...including 6 of the rarer ones. For analyses see Dana, ES, System of Mineralogy, 6th ed., 1892, pp. 522-526. ANTICLINE. A term applied to granite sheets or sedimentary...beds that form an arch. APLITE. Fine-grained granite, generally occurring in dikes and containing little mica and a high percentage of silica. BASIC. A term... | |
 | Thomas Nelson Dale, Herbert Ernest Gregory - 1911 - 698 Seiten
...a wide economic extent. GLOSSARY OF SCIENTIFIC AND QUARRY TERMS. ACCESSORY MINERALS in granite are original constituents of the rock, found only in small, often only in microscopic quantity. ACIDIC. A term applied to rocks in which silicic acid (silica) or quartz predominates. AXLANITE. An... | |
| |
Fine-grained granite, usually occurring in dikes and containing little mica and a high percentage of silica. BASIC. A term applied to rocks in which the iron-magnesia minerals and feldspars with lime and soda predominate, such as diabase or basalts. 
