 | | 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...LOCALITIES: Berks County: Birdsboro, and Gickerville; Delaware County: Leiperville, Lenni (druses of colorless...quarry; Montgomery County: Sumneytown, and Perkiomenville ; Philadelphia: Fairmount Park, Frankford, and...cut east of Reading (probably Birdsboro), Berks County. White, Smith, 1910, 540. silky mass of radiating |  | | Book | | ilA'i I Mdiiinsvn.i.i-, KXri.ANATKI.S (-((mi'ANV Of- { MAT \l. lil’:')! 01-' MAI, A/OIC iiOOKS...SKCrjflV k' E? From 1>: FAST Kr«m WILLOW CUOVK of JAHRF.TTOM-X From FORT COLD FDIXT ti> HAllHKN...Institute of Museum and 2016 with funding from Library Sen/ices as administered by the Pennsylvania Department...Department of Education through the Office of httpsi'/archive.org/details/geologyofphiladeOOhall Commonwealth...GEOLOGICAL SURVEY OF PENNSYLVANIA: REPORT OF PROGRESS c^ TTTE GEOLOGY PHILADELPHIA COUNTY AND OF THE SOUTHERN |  | | Report (volume) | | Gem Stones of the United States GEOLOGICAL SURVEY BULLETIN 1042-G A CONTRIBUTION TO ECONOMIC GEOLOGY...GEOLOGY GEM STONES OF THE UNITED STATES By Dorothy M. Schlegel ABSTRACT Many semiprecious, but few precious...durability, and rarity are the most important qualities of a precious gem. Gem stones are distinguished by their...parting, hardness, specific gravity, luster, index of refraction, transparency, and dispersion. Gems are...carat, one-fifth of a gram or 200 milligrams, is the unit of weight measurement. The color of four popular |  | | Book (volume) | | corner of Kimball Co. where it overlooks both Colorado and Wyoming. The subsurface rock strata of the entire...Mountains as they rose during the Larimide revolution of 100 million years ago that closed the Mesozoic era...west reaches rise to the high, arid sagebrush plains of eastern Wyoming, disclosing spectacular bedrock formations...Nebraska contains most of the gem fields in the state, insomuch as both the Black Hills of South Dakota and...scenic Badlands thrust long spurs into this part of the state. In this rough, uncurried region are found |  | | Report (volume) | | DEPARTMENT OF THE INTERIOR FRANKLIN K. LANE, Secretary UNITED STATES GEOLOGICAL SURVEY GEORGE OTIS SMITH...SMITH, Director Bulletin 624 USEFUL MINERALS OF THE UNITED STATES**-^ COMPILED BY FRANK C. SCHRADER...SCHRADER, RALPH W. STONE AND SAMUEL SANFORD A revision of Bulletin 585 WASHINGTON GOVERNMENT FEINTING OFFICE.................................... 102 District of Columbia ..................................................................................... Pennsylvania............................................ |  | | Book (volume) | | sea which received successively enormous quantities of Ordovician, Silurian, Devonian, Mississippian and...and Pennsylvanian sediments; the erosional products of some 200 million years. Few, if any Mesozoic rocks...rocks appear within the state, but every one of Ohio’s 88 counties is surfaced with Pleistocene debris....produces pieces of silicified wood. Ohio ranks first in the nation in the production of limestone and dolomite...dolomite, and second in the production of clays. Lesser production of iron, petroleum, natural gas and coal |  | | Book (volume) | | sea which received successively enormous quantities of Ordovician, Silurian, Devonian, Mississippian and...and Pennsylvanian sediments; the erosional products of some 200 million years. Few, if any Mesozoic rocks...rocks appear within the state, but every one of Ohio’s 88 counties is surfaced with Pleistocene debris....produces pieces of silicified wood. Ohio ranks first in the nation in the production of limestone and dolomite...dolomite, and second in the production of clays. Lesser production of iron, petroleum, natural gas and coal |  | | Report (volume) | | DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY GEORGE OTI8 SMITH, DIRECTOR BULLETIN 585...585 USEFUL MINERALS OF THE UNITED STATES COMPILED BY SAMUEL SANFORD AND RALPH W. STONE WASHINGTON...GOVERNMENT PRINTING OFFICE 1914 USEFUL MINERALS OF THE UNITED STATES. Compiled by SAMUEL SANFORD and...EDWARD W. PARKEH. The final chapters of two of the earlier volumes of the Geological Survey's annual report...Mineral Resources of the United States" (the volumes for 1882 and 1887) consist of lists of the useful minerals |  | | Book | | to Notable Collecting Areas and ©ircctoru Cn of American Mineral & Gem Collectors and Collections...Listing those Substantial Firms Supplying the Needs of The Mineralogist PUBLISHED BY Western Mineral Exchange... STATUS OK AMKKICA DEDICATION To the Millions of Enthusiastic Mineralogists and Gem Collectors the... or community those mineralized areas of our United States of particular interest to the mineral collector...most popularly included in the amateur collections of our American mineral hobbyists and collectors; (3) |  | | Book | | ': . ·• Ranson1 , Jay E . Gems an d minerals of Arnerica 549 . 075 RAiJSO rti SAUSALITO PU BLIC...uS L 10, f • =- ..-.Ai • GEMS and MINERALS of AMERICA OTHER BOOKS BY JAY ELLIS RANSOM A Complete...Colorado Desert of California High Tension (A Biography) Jay Ellis Ransom EMS of and MINERAL AMERI...Evanston, San Francisco, London 1817 Portions of this book have appeared in different form in A Range...reserved. Printed in the United States of America. No part of this book may be used or reproduced in |  | | Report (issue) | | OCCURRENCES IN PENNSYLVANIA Robert C. Smith, II COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL...ENVIRONMENTAL RESOURCES BUREAU OF TOPOGRAPHIC AND GEOLOGIC SURVEY Arthur A. Socolow, State Geologist Mineral...ZINC AND LEAD OCCURRENCES IN PENNSYLVANIA Robert C. Smith, II PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES...1977 Copyright 1977 by the Commonwealth of Pennsylvania Quotations from this book may be published...credit is given to the Pennsylvania Geological Survey COVER ILLUSTRATION: Photograph of 1852 lithograph showingthe |  | | Book | | Indeed it to is, and author book Jay in this of popular the Ellis Ransom, Rock-huntefs Range...everything you need to know to go about it. Some of the best prospecting, he points out, is in abandoned...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...comprehensive, alphabetical listing of 400 mineral species and an outline of the essential chemical and physical...physical characteristics of each, as well as a dis- cussion of the basic kinds of rock: igneous, sedimentary |  | | Journal (issue) | | Bariand Sorbonne Paris, France Bill Birch Museum of Victoria Melbourne, Australia Pete J. Dunn Washington...Geological Survey Menlo Park, CA Steven R. Morehead Riverside, CA Donald R. Peacor University of Michigan Ann Arbor...Arbor, Ml George W. Robinson Natl. Museums of Canada Ottawa, Ontario Abraham Rosenzweig Tampa, FL Associate......................187 by P. B. Moore The origin of faden quartz ............................................191 by R. P. Richards Amethyst occurrences of the eastern United S ta tes..................... |  | | Journal (volume) | | Vol. Vol. I. Frdm the Earliest Times to the Close of II. Supplementing Vol. I “ “ “ Vols. I & II III....ROTHWELL, Editor of the Engineering and Mining Journal, Ex-President American Institute of Mining Engineers...Engineers, Member American Society of Civil Engineers, Fellow Royal Statistical Society, etc., etc . These...language on mining, metallurgy, markets, and uses of the commercial minerals and metals. Every one interested...and the amounts and values of each produced and consumed in every part of the world, can find the information |  | | Journal (volume) | | LOCKINGTON, DEP. OF GEOGRAPHY AND TRAVELS. ProF. H. CARVILL LEWIS, DEPARTMENT OF MINERALOGY, Pror. C...DEPARTMENT OF BOTANY. Pror, C. V. RILEY, DEPARTMENT OF ENTOMOLOGY. ProF. O. T. MASON, DEPARTMENT OF ANTHROPOLOGY... HENRY SEWALL, DEPARTMENT OF PHYSIOLOGY. Dr, C. O. WHITMAN, DEPARTMENT OF MICROSCOPY. a VOLUME XVII...Sion Y, ( “ger 8 1929 9 CONTENTS. The History of Anthracite Coal in Nature and Art. Speman RS The...On of a Vary chenial Hairs and Fibers Kotava of ih Ea rth. a Mes FORMA [ Illustrated.].. Of Maat |
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