 | | 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 |  | | 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 |  | 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...active mines, 1962 .. 2. Types of active mines (quarry andjor underground) 3. Number of months that mines |  | | 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 |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...Such crystals, including those of spodumene and orthoclase feldspar, have visualize. a droopy appearance...hazards as well. Rocks can fall from a shattered quarry wall, a cliff, or an overhang. Someone on a rocky...associated with the gem material. Oregon thunder a quarry, eggs, for example, are in volcanic beds; tourmaline...pink hue (right) from the Sunnyside Mine, San Juan County, Colorado. MOTTLED AGATE from Chihuahua, Mexico |  | | Report (issue) | | the coal-fired Four Corners Power Plant, San Juan County, New Mexico. Bunker, C. M., Hedge, C. E., and Sainsbury...the coal-fired Four Corners Power Plant, San Juan County, New Mexico, by Helen L. Cannon and Vernon E. Swanson...Complexity of titaniferous magnetites from Essex County, New York, as a hindrance to beneficiation by a...the Coal-Fired Four Corners Power Plant, San Juan County, New Mexico By HELEN L. CANNON and VERNON E. SWANSON...showing concentrations of some elements in San Juan County vegetation collected in 1961 and 1971 compared |
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