 | | 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...chlorite, biotite, garnet, staurolite, cyanite, sillimanite is in accord with observations in metamorphic...chlorite, biotite, garnet, staurolite, cyanite, sillimanite. The main purpose of this paper is to present...broader picture of 1 Harker, Aifred, Metamorphism. London, Methuen and Co. (1932),p. 187. 2 Barth, T. F. |  | | Journal (issue) | | Contents for July. A ug ust, 1949 CHIPS FROM THE QUARRY ................................................. 338 R OCKS AND MINERALS CHIPS ~_, ROM 1,HE QUARRY ----------------------------,----CLUB PUBLICATIONS...in the first place. And if you want to know the county (foreign money orders demand it), it is Westchester...east of Asheboro, in the southern part of Randolph County, North Carolina, is a prominence that rises above...utilized the surrounding country rock. A small quarry and a few concrete pillars identify tbe site. This |  | | 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 |  | | Report (issue) | | schist of the Doe Run and Avondale region, Chester County, Pa., by E. F. Bliss and A. I. Jonas (published...Contributions to the geology and paleontology of San Juan County, N.Mex.: (P) 1. Stratigraphy of a part of the Chaco·River...The reef-coral fauna of Carrizo Creek, Imperial County, Cal., and its significance, by T. \V. Vaughan...Avondale region, Chester County, Pa ................................ . II. A, Quarry in Shenandoah limestone...limestone, 1! miles southeast of Doe Run, Chester County, Pa.; B, Secondary folds on limb of anticline |  | | 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 |  | | Book | | a division of John Wiley & Sons, Inc. New York London Sydney Toronto Framingham State College Framingham...)-Northern Ireland-Donegal (County) 2. Granite-Northern Ireland-Donegal (County) I. Berger, Antony R., joint...mostly f ron1 In1perial College and King's College, London, and from the University of Liverpool. They include...revise many of the one-inch geological sheets of the County. Sheets Nos. 3, 4, 9, 10, 15, and 23 are complete....financial assistance from the Universities of London, Liverpool, and Toronto, and from the Leverhulme |  | | Book (edition) | | 1945 TO w. w. w. MADE AND PRINTED IN CHEAT BRITAIN FOR PENGUIN BOOKS LIMITED, BY RICHARD CLAY AND...PRINTED IN GREAT BRITAIN BY HARRISON AND SONS LTD. 44-47, ST. MARTIN'S LANS, LONDON, w.c.2, PRINTERS...SCENERY IV. EPITOME OF THE GEOLOGICAL HISTORY OF BRITAIN V. THE CONSTRUCTION AND USE OF GEOLOGICAL MAPS...for Oil for fig. 30); and John Wiley and Sons (Nevin's Structural Geology for fig. 3). Plate IV is from...original of Plate V; the Manager, Penrhyn Slate Quarry, for Plate VI; Mr. D. W. Phillips (Safety in Mines |  | | 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 |  | | Journal (issue) | | I. A. Narayanan .... Topical News : (i) Oil in Britain .. (ii) The Airborne Magnetometer .. (iii) The...annual increment of 16,700,000 tons (based on Col. Nevin's formula) and an average annual requirement of 23-5...their ore-dressing practice. Topical News Oil in Britain Surface evidences of the existence of mineral oil...oil in the rocks of various parts of Britain were known since 1600, and its occurrence in the form of...these, may prove to be the source-rock of oil in Britain. The successful outcome of these experiments is |
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