 ... biotite (black mica) some of it chloritized; and muscovite (white mica). Accessory minerals are very little magnetite, apatite, zircon, and rutile.  The Granites of Vermont - Seite 32von Thomas Nelson Dale - 1909 - 138 SeitenVollansicht - Über dieses Buch
 | George Ferdinand Becker - 1909 - 286 Seiten
...cutting firm and rail at Concord. The product is used for monuments. BURKE QUARRY. The Burke quarry 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 or... | |
 | Thomas Nelson Dale, Herbert Ernest Gregory - 1911 - 698 Seiten
...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.) - 1911 - 162 Seiten
...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... | |
 | 1911 - 606 Seiten
...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.) - 1911 - 608 Seiten
...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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