 | | 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...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 |  | | Journal (issue) | | 4- JUNE , 1894 . CONTENTS . LURAY CAVERN , PAGE COUNTY , VA . , 49 THE MINERALS OF THE ANCIENTS , 57 STUDENTS...I. JUNE , 1894 . No. 4 . 1 LURAY CAVERN , PAGE COUNTY , VA . BY HENRY CLAY BORDEN . The great valley...Luray . It con stitutes the greater part of Page County — a limestone region . Within this region near...with the stratum of Natural Bridge , of Rockbridge County . CAUSE OF FORMATION . — Those who make a study... but not all . A large cave at Bingham , Bucks County , Pa . , which I have visited recently , show no |  | | 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 | | 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...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...Allgood, J. Pradenas: Gold occurrences in Tuolumne County, California 18:41-45, 18:62-64 --with W. H. Wilkinson |  | | 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 (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 |
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