 | Geological Survey (U.S.) - Geology - 1909 - 160 pages
...to 16 inches from the surface. The plant consists of one hand derrick. Transportation is by cart 5J miles to a cutting firm and rail at Concord. The product...measures about 175 by 100 feet and from 10 to 20 feet in depth. Between this and the Kearney Hill quarry there is an outcrop of schist, either an inclusion... | |
 | Thomas Nelson Dale - Geology, Economic - 1909 - 158 pages
...cutting firm and rail at Concord. The product is used for monuments. BURKE QUARRY. The Burke quany is on the west foot of Kirby Mountain, in Kirby, about...measures about 175 by 100 feet and from 10 to 20 feet in depth. Between this and the Kearney Hill quarry there is an outcrop of schist, either an inclusion... | |
 | Thomas Nelson Dale, Herbert Ernest Gregory - Granite - 1911 - 698 pages
...sheets; milk-white soda-lime felspar (oligoclase), mostly kaolinized, micasized, and with calcite; biotite (black mica), some of it chloritized; and muscovite (white mica). Accessory minerals: Magnetite, apatite, allanite (rimmed with epidote), zircon. Secondary minerals: Kaolin, calcite, a... | |
 | Geological Survey (U.S.) - Geology - 1911 - 162 pages
...sheets; milk-white soda-lime felspar (oligoclase), mostly kaolinized, micasized, and with calcite; biotite (black mica), some of it chloritized; and muscovite (white mica). Accessory minerals: Magnetite, apatite, allanite (rimmed with epidote), zircon. Secondary minerals: Kaolin, calcite, a... | |
 | United States - 1911 - 606 pages
...with cavities and black particles in parallel sheets; milky soda-lime feldspar (oligoclase-albite) ; biotite (black mica), some of it chloritized; and muscovite (white mica). Accessory: Garnet, magnetite, fluorite, apatite, and zircon. Secondary: Kaolin, epidote, chlorite, and limonite.... | |
 | Geological Survey (U.S.) - Geology - 1911 - 608 pages
...with cavities and black particles in parallel sheets; milky soda-lime feldspar (oligoelase-albite) ; biotite (black mica), some of it chloritized; and muscovite (white mica). Accessory: Garnet, magnetite, fluorite, apatite, and zircon. Secondary: Kaolin, epidote, chlorite, and limonite..... | |
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... to 0.1 inch. Its constituents, in descending order of abundance, are : Light smoky quartz with hairlike crystals of rutile, and sheets of cavities with cracks parallel to them; milk-white soda-lime feldspar (oligoclase) much kaolinized and micacized,... 