 | | Journal (article/letter/editorial) | | New York, New York 10024 GARNETS from Delaware Coun Pennsylvania Figure 1: Spessartine (Sp Alm34Pyr )...from Sycamore Mill (Bishop's Mill), Delaware County, Pennsylvania. A M N H 10808. Bement collection via...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) | | large part of Philadelphia is covered with the Delaware River gravels and clays, but most of the streams... but no minerals were found except apatite and albite in poor specimens. In the sand of the Schuylkill...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 |  | | 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 | | ADULARIA Adu Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73...14:157168 ALBITE Davis Hill near Bancroft, Ontario: an occurrence of large nepheline, biotite and albite-antiperthite...ALICE GLORY HOLE The Alice glory hole, Clear Creek County, Colorado (by T. A. Hanson & W. B. Craft) 18:185187...--and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE MYERS --and |  | | Book | | Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana...Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee...listed by county and community, range and distance. Whenever the collector crosses a county line, he will...of the county he is entering posted alongside the highway. By looking up the state and county, the user...guide can determine the collecting sites in that county by range and distance from the major cities and |  | | Book | | Department of Bryn Mawr College, Bryn Mawr, Pennsylvania, under the identifying chairmanship of Associate...feldspar (anorthite, CaAl2Si208) and sodium feldspar (albite, NaAISisOe) have the same basic structure. The... substitution of Ca"' + Al"' for (pp 218, 219) Albite-Anorthite: NaAiSi O- ~ CaAl.Si.O; Complete intermediate...K" and No' (pp. 214-217) Microcline (Sanidine)— Albite: KAISi>Oj - NaAISijOs Complete above about 670...in microcline and about 5% substitution of K' in Albite 35 CRYSTALS Crystals have always been of great |
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