 | | Journal (article/letter/editorial) | | New York, New York 10024 GARNETS from Delaware Coun Pennsylvania Figure 1: Spessartine (Sp Alm34Pyr )...brown muscovite, and gray quartz, from Sycamore Mill (Bishop's Mill), Delaware County, Pennsylvania. A M...M E N S from pegmatites located in Delaware County, Pennsylvania. On the basis of microprobe analyses...garnets from Springfield and one garnet from Leiperville, Peters (1984) recommended that "garnets from...spessartine-almandine and all garnets from Deshong's quarry be termed almandine-spes- 5 sartine." The |  | | Journal (article/letter/editorial) | | CLASSIC PEGMATITE OCCURRENCES IN Delaware County, Pennsylvania JOSEPH J . PETERS Department of Mineral...collected from a few granite pegmatites in Delaware County, Pennsylvania, near Philadelphia (Figure 1). The quarries...quarries, Avondale; Leiper's quarry, Springfield Township; and Deshong's quarry, Ridley-Nether Providence townships...for the manufac ture of snuff. Upper Avondale quarry (Figure 5), one mile south of Swarthmore where...A-310, Registrar of Deeds, Delaware County, Pennsylvania). The Springfield quarry may have been de- Figure |  | | Journal (article/letter/editorial) | | each of California, Nevada, North Carolina, Pennsylvania, and Washington' The determined indices of refraction...south end, on the east side of Saline Valley, Inyo County'2 A thin section of a specimen,kindly furnished...375(1941). Connecticut At Haddam, in Middlesex County, on the top of Walkley llill' across the Connecticut...Connecticut River from the famous Gillette quarry, thulite occursas a band nearly a foot thick in the Middletown...Murdoch, Joseph, and Webb, R. W., Bustamite from Inyo County, California : Atn. M ineral., 21, 69-70 (1936) |  | | Journal (article/letter/editorial) | | large part of Philadelphia is covered with the Delaware River gravels and clays, but most of the streams...river this rock was largely quarried. The first quarry opened was irnmediately on the river bank. When...When the inclined plane was abandoned the Pennsylvania Railroad made a curved cut through these rocks extending...from about 30th Street to 34th Street, and a large quarry, or a series of quarries afterwards merged into...identical with that found on Ridley and Crum Creeks in Delaware County, contained segregated masses of |  | | Report (issue) | | DESCRIPTIVE MINERALOGY OF PENNSYLVANIA 104 Na 2Al 2 Si3 Oi .2H 2 O; SiO 2 47.4, A1 2 O 3 26.8, Na...Na 2 O 16.3, Lenni, Delaware County. Crystals. Eyerman, 1911, 11. Composition: Analysis: Fe 2 O3 CaO...LOCALITIES: Berks County: Birdsboro, and Gickerville; Delaware County: Leiperville, Lenni (druses of... Felton's farm (Chester), and Ward's quarry; Montgomery County: Sumneytown, and Perkiomenville ; Philadelphia:...Philadelphia: Fairmount Park, Frankford, and Rit- enhouse quarry. SCOLECITE CaAl 2 Si3 Oi .3H 2 O MONOCLINIC |  | | Report (issue) | | Uranium occurrences in non-sedimentary rocks of Pennsylvania ....... 78 Table 13 Uranium occurrences in non-sedimentary...Uranium occurrences in non-sedimentary rocks of Pennsylvania..................................82 Figure 18...North Carolina; a belt extending from eastern Pennsylvania, across northern New Jersey, to southeastern...deposit occurs as a thin seam in graphitic Cleburne County. The property is, about 11.2 SINE phyllite which...Location No. Source of information Fairfield County. Short distance northeast of East Village, on a |  | | Report (volume) | | ............................ 16 34 42 81 97 Delaware............................................................................................ Pennsylvania...............................................value. Some minerals, such as the copper ores of Pennsylvania, are included in the list not because they occur...and Ehrenfeld, Frederick, Minerals of Pennsylvania: Pennsylvania Top. and Geol. Survey Comm. Kept. No...Oberlin College, Oberlin. Prof. L. G. Westgate, Delaware. Oklahoma____Prof. D. W. Ohern, Norman. Mr. C |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...hazards as well. Rocks can fall from a shattered quarry wall, a cliff, or an overhang. Someone on a rocky...associated with the gem material. Oregon thunder a quarry, eggs, for example, are in volcanic beds; tourmaline...pink hue (right) from the Sunnyside Mine, San Juan County, Colorado. MOTTLED AGATE from Chihuahua, Mexico...usually veined with black. This is from Siskiyou County, California. z'^m-: LABRADORITE, the feldspar |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...a Jersey's Limecrest quarry, for instance, is open to a year; the Foote quarry in North Carolina one...or goggles, and safety-toe shoes in an operating quarry or mine. They are prudent precautions against disaster...trespassers or even fenced in some states. Mine and quarry owners are often reluctant to give permission for...physical hazards. Rocks can fall from a shattered quarry wall, a frost-weakened cliff, or an overhanging |  | | Book | | 100 maps geared to leading the " hunter to his quarry" and more than eighty photographs of minerals in...easier for you If you plan to vIsIt an operating quarry or mine where a permll Is required make the necessary...HARBOR !ROCK SHOPSl r::::-::, LAKE BAILEY N I DELAWARE MINE DUMPS IOATOUTE CHLORASTROUTEI 2 AMYGDAlOID...Survey topographic map of the Delaware q uadrangle o f Keweenaw County, Michigan This ,s an example o...be discovered by locating the porous layers In a quarry or other exposure and following them along the |  | | Book | | Department of Bryn Mawr College, Bryn Mawr, Pennsylvania, under the identifying chairmanship of Associate...The last to crystallize are potassium feldspar, muscovite mica, and quartz, the major constituents of granite...crystallize, followed by potassium feldspar, muscovite mica, and quartz. These lost three are the major...samples. Occurs in Utah, Colorado, Montana, Pennsylvania, Connecticut, Canada, Mexico, Bolivia, Australia...Maine, New Hampshire, Connecticut, New Jersey, Pennsylvania, Colorado, New Mexico, Utah, Arizona, California |
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