 | | 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...Ward's quarry; Montgomery County: Sumneytown, and Perkiomenville ; Philadelphia: Fairmount Park, Frankford...cut east of Reading (probably Birdsboro), Berks County. White, Smith, 1910, 540. silky mass of radiating |  | | Book (edition) | | «s m •p ■* ; sms •v ■1 mm D 'A ©F PENNSYLVANIA AND NEW JERSEY By Scott Stepanski and Karenne...changes due to man or nature, Gem Trails of Pennsylvania and New Jersey, its publisher and all other...Physiographic Map of Pennsylvania and New Jersey 5 6 7 9 10 12 PENNSYLVANIA SITE NO. PAGE NO. 1...New Enterprise Banded Chert.... Roaring Spring Quartz & Chert... Grazierville Shale Concretions .......Ripple Marks............ Jersey Shore Calcite & Quartz.... Antes Creek Fossils..................... Ralston |  | | Journal (article/letter/editorial) | | WHITE MICA IN THE WISSAHICKON COMPLEX Aonr,nnlu,* A. Wrr,r,rnusPosrELnNr Wrr,r.raru phio, P a. Unioersity...of investigating the granitic rocks in the Wissahickon Valley (1), reported a white mica with unusually...another locality in the Philadelphia area. The material in the Wissahickon Valley occurs in crystals sufficiently...The mica studied was collected in the valley of the Wissahickon Creek, a few hundred feet south of the...the contact between the Wissahickon formation and the mylonite member of the Baltimore gneiss.The white |  | | Report (Issue volume) | | RESOURCES Part 3, Metal Mines and Occurrences in Pennsylvania by Arthur W. Rose Mineral Conservation Section...Earth & Mineral Sciences The Pennsylvania State University PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES...of Pennsylvania Quotations from this book may be published if credit Is given to the Pennsylvania Geological...1365, HARRISBURG, PENNSYLVANIA 17125 Bulletin MSO, Part 3, Sheet 1 M50 Pennsylvania Geological Survey...him. Part 3 Metal Mines and Occurrences in Pennsylvania TYPES OF DEPOSITS by Arthur W. Rose CONTENTS |  | | Report (Issue volume) | | Earth and Mineral Sciences The Pennsylvania State University PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES...of Pennsylvania Quotations from this book may be published if credit is given to the Pennsylvania Geological... ROOM 54, MAIN CAPITOL BUILDING HARRISBURG, PENNSYLVANIA 17125 Bulletin M50, Part 2-8, Sheet 1 Page...of the mines of clay and shale companies in Pennsylvania supplying data for use in Part 2-B, of this...concerning 106 clay and shale mines operating in Pennsylvania during 1965 are given on 79 maps of the State |  | Deasy, G. F., Griess, P. R., Balazik, R. F., Burtnett, J. W. (1967) Atlas of Pennsylvania’s Mineral Resources - Supplement, Limestones and dolomites of Pennsylvania, in Atlas of Pennsylvania's Mineral Resources. Mineral Resource Report M50-1S, Pennsylvania Geological Survey. | Report (Issue volume) | | Part 1, Supplement, Limestones and Dolomites of Pennsylvania · by George F. Deasy, Phyllis R. Griess, Ronald...Earth a.nd Mineral Sciences The Pennsylvania State University PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES...of Pennsylvania Quotations from this book may be published if credit is given to the Pennsylvania Geological...STATE BOOK STORE, P.O. BOX 1365, HARRISBURG, PENNSYLVANIA 17125 Bulletin MSO, Part 1, Supplement, Sheet...of limestone and dolomite mining companies in Pennsylvania supplying data for use in Part 1, Supplement |  | | Book | | in 1812, the Academy of Natural Sciences of Philadelphia stands today as the oldest natural history... • • The Academy of Natural Sciences of Philadelphia and the Making of American Science Robert McCracken...Rosamond Purcell PENN University of Pennsylvania Press Philadelphia • ~- i..; ''i·-:'fh~·.' ,., ...pursuing mitting them to the University of Pennsylvania Press for a pro- their individual and collective...Contributions to,-vard a Plan and Regulations, 1812 Philadelphia had been a thriving center of early science |
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