 | | 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...colorless crystals), Felton's farm (Chester), and Ward's quarry; Montgomery County: Sumneytown, and Perkiomenville...Philadelphia: Fairmount Park, Frankford, and Rit- enhouse quarry. SCOLECITE CaAl 2 Si3 Oi .3H 2 O MONOCLINIC |  | | Journal (article/letter/editorial) | | MINERAL ISOGRADS IN SOUTHEASTERN PENNSYLVANIA Hucn McKrNSrRy, H araaril IJniaersity, Cambrid.ge, M...covered by the Philadelphia and Coatesville-West Chester Folios showing reported and observed occurrences...broader picture of 1 Harker, Aifred, Metamorphism. London, Methuen and Co. (1932),p. 187. 2 Barth, T. F...., Structural and petrologic studies in Duchess County, New York, Pt. II: G. S. A. Bulletin,47,775-850... 36 (1948); also Harker, Alfred, Metamorphism, London: Metluen and Co. L t d . ( 1 9 3 2 ) ,p . 1 8 8 |  | | Journal (issue) | | p4,, Over two million residents Arizona's Pinal County welcomes everyone as a V.I.P.!!! ?ieU S ~ , ae...MINERALS MAY-JUNE 1978, Volume 53 Number 3 PENNSYLVANIA! EXECUTIVE EDITORS Rudy Bradbury John Hanahan...Hanahan Jr Richard S. Mitchell GUEST PENNSYLVANIA EDITOR Delbert L. Oswald FOUNDER Peter Zodac MANAGING EDITOR...Schmerling 94 Pennsylvania- A Geological Gem Beth Schooler 99 The Paleontology of Western Pennsylvania Richard...Chert in Western Pennsylvania Richard L. George 108 Rare Earth Minerals from Pennsylvania Ralph G. Wells |  | | Book (edition) | | 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...as is generally the case throughout central Pennsylvania ; and in some cases the beds are raised in immense |  | | 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 |  | | Report (issue) | | States ,- 30 Age of the "ribbon rock" of Aroostook County, Maine, by Louis Pavlides, Robert B. Neuman, and...----------------35.' Iron ores of St. Lawrence County, northwest Adirondacks, N.Y., by B. F. Leonard...with depth in anthracite mine-water pools in Pennsylvania, by Wilbur T. Stua~t and Thomas A. Simpson ...drilling in depressions on the High Plains, Lea County, N.Mex., by John S. Havens__ 53.· Lower member...alteration and shearing at Red Mountain, Clear Creek County, Celo., by P. K. Theobald,· Jr., and C. E. Tho |
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