 | | 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...specimens: Leiper's Upper and Lower Avondale quarries, Avondale; Leiper's quarry, Springfield Township; and...and Deshong's quarry, Ridley-Nether Providence townships (Figure 2). The fascinating history and mineralogy...for the manufac ture of snuff. Upper Avondale quarry (Figure 5), one mile south of Swarthmore where |  | | 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...Sp.gr LOCALITIES: Berks County: Birdsboro, and Gickerville; Delaware County: Leiperville, Lenni (druses... 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 (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...with that found on Ridley and Crum Creeks in Delaware County, contained segregated masses of coarse ort |  | | Journal (article/letter/editorial) | | September 2017 East Mineralógica) Society of Pennsylvania October Field Trip. After a year of negotiation...run a society trip to the famous Leiper's quarry at Avondale, Delaware Co., Penn. Filling in the form below...said Company and The Mineralogical Society of Pennsylvania of and from all claims for damages of every...According to club geologist, Julie Reed, the Morrow quarry, presently in operation, is in granite gneiss,...autunite, uraninite, torbernite and gummite, in this quarry long known for the radioactive minerals it produced |  | | Book | | in. ) high from Tourmaline Queen Mine, San Diego County, Pala, California. Back Cover: Azurite and Malachite...perpendicular axes One 6-fold axis BENITOITE ZIRCON TRIGONAL SYSTEM: TETRAGONAL SYSTEM: One 3-fold... ~ 29 Native Gold Sheet on Quartz El Dorado County; California 30 5 cm (2 In.) high Native Gold...across Native Copper in Calcite Hancock, Houghton County, Michigan 12 cm (4% in.) across 37 38 Native...Erigland 7 cm (21/., in.) across Pyrite in Shale Springfield, llhno1s 7 cm (2 ¾ in.} diameter 45 Pyrite |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...intersect at right angles. The crystals, such as zircon, commonly have a square cross-section. The hexagonal... (^h /&> ^& \b^ ^ VESUVIANITE WILLEMITE ZIRCON CRYSTALS How 10 / gem to identify minerals...crystalline. Some, such as the diamond and zircon, are outstand- depends on refractive index, the...lie in the range between opal (sp. gr. 2.1) and zircon (sp. gr. 4.7), quick and accurate determinations |  | | 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...aphtali). Third row: ligure (possibly jacinth, yellow zircon, or hyacinth, e.g., essonite garnet; an undetermined...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 |  | | Book (edition) | | Quartz, Calc spar, Spinel, Sapphire, Garnet, Zircon, Blende, Diamond, Chromate of lead, 1-654 1-764...springs in Columbia county, New York, and a region in the town of Hoosic, Rensselaer county, afford large quantities...gas. There is another locality at Canoga, Seneca county, where the water is in violent ebullition from...at Warm and Hot Springs in Buncombe At Bath, in county, N. C. and on the Washita in Arkansas. England...been met with, in Rutherford county, North Carolina, (fig. 4,) and Hall county, Georgia. The original rock |  | | Book (edition) | | springs in Columbia county, New York, and a region in the town of Hoosic, Rensselaer county, afford There is...at large quantities of this gas. Canoga, Seneca county, where the water is in violent ebulthe earth, ...at Warm and Hot Springs in Buncombe At Bath, in county, N. C. and on the Washita in Arkansas. lition ...been met with, in Rutherford county, North Carolina, (fig. 4,) and Hall county, Georgia. The original rock...as is generally the case throughout central Pennsylvania ; and in some cases the beds are raised in immense |  | | Book (edition) | | 1*654 Calc spar, / Spinel, Sapphire, Garnet, Zircon, Blende, / / / / Diamond Chromiteoflead, 1-764...springs in Columbia county, New York, and a region in the town of Hoosic, Rensselaer county, afford large quantities...gas. There is another locality at Canoga, Seneca county, where the water is in violent ebullition from...Blue Ridge at Warm and Hot Springs in Buncombe county, N. C. and on the Washita in Arkansas. At Bath...been met with, in Rutherford county, North Carolina, (fig. 4,) and Hall county, Georgia. The original rock |  | | Book (edition) | | abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado...Menzenschwand Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from...coal dumps at Shamokin, Northumberland co., Pennsylvania, and at Chervonograd, LvivVolhynia basin, Ukraine |  | | Book | | Red and gray sandstone shale, and limestone. PENNSYLVANIA 40 I 60 50 Ml I 80 KM 76° -, I II --...l0000unse THE GEOLOGY OF PENNSYLVANIA COMMONWEALTH OF PENNSYLVANIA Mark Schweiker, Governor DEPARTMENT...Geology Slippery Rock University Published by PENNSYLVANIA GEOLOGICAL SURVEY PITTSBURGH GEOLOGICAL SOCIETY...from Hyner View, Hyner Run Slate Park, Clinton County, showing accordant ridges in the Appalachian Plateaus...of the Ridge and Valley province in Huntingdon County. Flooded meanders of Raystown Lake on the Raystown |  | | Book (edition) | | 1·654 Spinel, 1•764 Sapphire, 1·794 Garnet, l ·815 Zircon, 1 ·961 Blende, 2·260 Diamond, 2·439 Chromate of...springs in Columbia county, New York, and a region in the to,vn of Hoosic, Rensselaer county, afford large...gas. There is another locality at Canoga, Seneca county, where the ,vater is in violent ebullition from...Blue Ridge at Warm and Hot Springs; in Buncombe county, N. C.; and on the Washita in Arkansas. At Bath...been met with, in Rutherford county, North Carolina, (fig. 4,) and Hall county, Georgia. The original rock |  | | Book (volume) | | Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache...Resources, Vancouver, BC; Barbara L. Muntyan, Ouray County Historical Society, Ouray, CO; Merrill 0. Murphy... 15 Figure 6. Dallas Gem Mine in San Benito County, CA..............................................Benitoite recovery from alluvial deposits, San Benito County, CA ................ 29 Figure 8. Title page |  | | Book (edition) | | springs in Columbia county, Ne·w York, and a region in the town of Hoosic, Rensselaer county, atroi·cl larg...Th,e ro is anotber locallty at Canoga,, Seneca county, where the ,vate1· is in violent ebullition fi·om...met with, in Rutherford county, .r ot1.h Carolina, (fig. 4,,) and Hall county, Georgia. . The orig1nal...as is generally the ease throughout oent1al Pennsylvania ; and 1n some cases the beds are raised in immen-se...these a.l"e.as commeu,ces 011 the no1·th, u1 Pennsylvania, and so1:1theast,e rn Ohio, a11d s\veeping south |
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