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| READING PRONG OF BERKS, LEHIGH, AND NORTHAMPTON COUNTIES, PENNSYLVANIA Robert C. Smith, II John H. Barnes...Barnes COMMONWEALTH OF PENNSYLVANIA Tom Corbett, Governor DEPARTMENT OF CONSERVATION AND NATURAL RESOURCES...READING PRONG OF BERKS, LEHIGH, AND NORTHAMPTON COUNTIES, PENNSYLVANIA by Robert C. Smith, II, and John...Barnes Bureau of Topographic and Geologic Survey PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES HARRISBURG ...Prong of Berks, Lehigh, and Northampton Counties, Pennsylvania: Pennsylvania Geological Survey, 4th ser |
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| 375 9 f-2. 162 fiQl c, THE MINERALOGY OF PENNSYLVANIA PART TWO JOHN ETEKMAN < 1 > w Q O UJ 5... THE MINERALOGY OF PENNSYLVANIA PART TWO CHEMICAL ANALYSES JOHN EYERMAN EASTON PA 1911 INTRODUCTION... CONTRIBUTIONS TO THE MINERALOGY OF PENNSYLVANIA THE MINERALOGY OF PENNSYLVANIA: PART 1 490: 425: 426: A:...Weygat, Easton; pink Lenni, Delaware county VIII crystals green crystals. Rocksville, Bucks county light...green crystals. No. 1 shaft, St. Peter's, Chester county radiating, columnar crystals of light green to |
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| 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:...cut east of Reading (probably Birdsboro), Berks County. White, Smith, 1910, 540. silky mass of radiating |
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| Geologic Map of the Nazareth Quadrangle, Northampton County, Pennsylvania By John M. Aaron and Avery Ala Drake... GEOLOGIC MAP OF THE NAZARETH QUADRANGLE, NORTHAMPTON COUNTY, PENNSYLVANIA By John M. Aaron and Avery Ala Drake...INTRODUCTION The Nazareth quadrangle, in eastern Pennsylvania, lies across the contact between Mesoproterozoic...this quadrangle have been studied elsewhere in Pennsylvania, and the reader is referred to Buckwalter (1959...part of the requirements for the Ph.D. at the Pennsylvania State University (Aaron, 1971). At the time |
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| STATE LIBRARY OF PENNSYLVANIA 1 1 II II II nil 3 014 4 00050005 «k. 1 ’^^jklTL% i ^IH ^ 1 k...of a thin slice of serpentinite from Lancaster County showing olivine (blue-green and red), serpentine...(icologist G BULLETIN 33 Mineral Collecting Pennsylvania in by Davis M. Lapham Mineralogist Alan ...Environmental Geologist JiU-ateJ VanOiden PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES HARRISBURG...Commonweath of Pennsylvania book may be pubished if credit this is given to the Pennsylvania Geological |
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| Geyer Mineral Collecting in Pennsylvania I COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF INTERNAL AFFAIRS... ' BULLETIN G 33 Mineral Collecting in Pennsylvania by Davis M. Lapham Mineralogist Alan R. Geyer...Geyer Assistant State Geologist PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES HARRISBURG First Edition...1965 Copyrighted 1965 b y the Commonwealth of Pennsylvania Quotations from this book may be published....... . .. . Adams County .... . .. ... ............... . . ... . Allegheny County .... . ...... . .. |
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| SERIFS MINERAL COLLECTING PENNSYLVANIA COMMOWl FAITH OF PENNSYLVANIA PY G345/4.3 G33 1959 Snrrtary...Lapham, Davis M. Mineral Collecting in Pennsylvania c.l PENNSYLVANIA GEOLOGICAL SURVEY BULLETIN G 33 ... MINERAL COLLECTING IN PENNSYLVANIA by Davis M. Lapham and Alan R. Geyer JMluitrationi lu _JtU... Adams County 15 Allegheny County Armstrong County Berks County Blair County Carbon County Chester...Chester County Cumberland County Delaware County Fulton County Lancaster County Lebanon County Lehigh County |
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| the Hellertown Quadrangle Northampton, Bucks, and Lehigh Counties, Pennsylvania By Avery Ala Drake, Jr....HELLERTOWN QUADRANGLE, NORTHAMPTON, BUCKS, AND LEHIGH COUNTIES, PENNSYLVANIA By Avery Ala Drake, Jr....Introduction The Hellertown quadrangle, in eastern Pennsylvania, contains the contact between Mesoproterozoic...this quadrangle have been studied elsewhere in Pennsylvania, and the reader is referred to Buckwalter (1959...hornblende-clinopyroxene-quartz-plagioclase gneiss (Y2hc) and epidote-clinopyroxene-hornblendeplagioclase gneiss (Y2he) |
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| EASTERN PENNSYLVANIA Bv BRADFORD WILLARD ABSTRACT The Cambrian sequence in eastern Pennsylvania is: Upper...Figure Page 1. Sketch map of part of eastern Pennsylvania Page showing distribution of Cambrian and Ordovician...eastern end of Buckingham Valley, Bucks County, Pennsylvania. . . . 821 3. Sketch map of vicinity of... and Raubsville, Pennsylvania 822 4. Sketch map of vicinity of Easton, Pennsylvania 825 Plate Following...Outcrops, Eastern Pennsylvania 2. Outcrops, Eastern Pennsylvania 3. Outcrops, Eastern Pennsylvania and New 828 |
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| THE DELAWARE WATER GAP AND EASTON QUADRANGLES, NEW JERSEY AND PENNSYLVANIA BY W. S. BAYLEY UNITED STATES...area._________________________________________ Chestnut Hill area_-----_------_-_---______-._-_____Structure... bank of Delaware River about 2 miles north of Easton, Pa.; B, Photomicrograph of quartzsericite schist...of Losee gneiss near Mountainville, Tewkesbury County, N. J.; B, Photomicrograph of Byram gneiss, road...north of Williams mine, Vernon Township, Sussex County, N. J_______---_-_____------______._ 53 4. Sections |
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| PENNSYLVANIA STATE LIBRARY OF 0144 00141189 1 v < 2 £ m- c oi; c» tt*s“S S Si! at tss^s isl^j...1 ' s WJ= ~S 5! s „3 &«eq Sjg® . . PENNSYLVANIA 1 .8 ^2»SS 3 d 5-s &s z l|lt« 7* < OF ...GEOLOGY REPORT 1976 33 MINERAL COLLECTING IN PENNSYLVANIA by Alan R. Geyer Robert C. Smith, John H....Graphics by Albert E. VanOlden COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL RESOURCES TOPOGRAPHIC...II Copyrighted 1976 by the Commonwealth of Pennsylvania Quotations from this book may be published if |
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| RESOURCES OF THE QUAKERTOWN-DOYLESTOWN DISTRICT PENNSYLVANIA AND NEW JERSEY BY F. BASCOM, E. T. WHERRY,...exfoliation, Philadelphia & Reading Railway cut at Rock Hill, Quakertown quadrangle; B, Cryptozoon proliferum...quadrangle._________ FIGURE 1. Index map of eastern Pennsylvania, western New Jersey, and parts of Delaware and...RESOURCES OF THE QUAKERTOWN-DOYLESTOWN DISTRICT, PENNSYLVANIA AND NEW JERSEY 1 By F. BASCOM, E. T. WHERRY...Delaware and Schuylkill Rivers, in southeastern Pennsylvania, north of Philadelphia; the northeast corner |
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| JERSEY AND EASTERN PENNSYLVANIA AND GUIDEBOOK OF EXCURSIONS ND SOME l^irg OP HILL AND DOWN dale, knapping...OF SELECTED AREAS IN NEW JERSEY AND EASTERN PENNSYLVANIA AND GUIDEBOOK OF EXCURSIONS SEYMOUR SUBITZKY...Province between Delaware Water Gap and Lehigh Gap, Pennsylvania, by Jack Epstein and Anita Epstein 132 Structural...of stream capture in the Strouds¬ burg area, Pennsylvania, and New Jersey, by Jack B. Epstein 206 IC...Mississippian and Pleistocene deposits of northeastern Pennsylvania, by William Sevon 214 Post-Meeting Field Trips |
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| LEAD OCCURRENCES IN PENNSYLVANIA Robert C. Smith, II COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL...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...published if credit is given to the Pennsylvania Geological Survey COVER ILLUSTRATION: Photograph of 1852 lithograph...STATE BOOK STORE, P. O. BOX 1365 HARRISBURG, PENNSYLVANIA 17125 PREFACE The purpose of this report is |
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| about two miles up stream to Fairmount, whose bold hill is composed of a gneiss which apparently rises...bank. When the inclined plane was abandoned the Pennsylvania Railroad made a curved cut through these rocks...that found on Ridley and Crum Creeks in Delaware County, contained segregated masses of coarse orthocl...halotrichite occur occasionally, but on the Pennsylvania Railroad at 59th street there was an old quarry...also lepidomelane in large cleavable masses. Epidote and sphene, the latter in mninute but perfect |
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| Uranium occurrences in non-sedimentary rocks of Pennsylvania ....... 78 Table 13 Uranium occurrences in non-sedimentary...Uranium occurrences in non-sedimentary rocks of Pennsylvania..................................82 Figure 18...North Carolina; a belt extending from eastern Pennsylvania, across northern New Jersey, to southeastern...deposit occurs as a thin seam in graphitic Cleburne County. The property is, about 11.2 SINE phyllite which...1969; Ui radioactivity is 5 to 7 times background. Hill copper mine. RM 1968. Source ol informal Phyllite |
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| Leo M. Hall Geology and geochronology of Canada Hill granite and its bearing on the timing of Grenvillian...The Reading Prong of New Jersey and eastern Pennsylvania: An appraisal of rock relations and chemistry...geology of the Honey Brook Upland, southeastern Pennsylvania Cee Koen 7 Cee one eee 75 ..............metasedimentary rocks of the Oswegatchie Group is the Baldface Hill Gneiss. This thin and discontinuous unit consists...garnet-sillimanite gneiss and quartzite. The overlying Poplar Hill Gneiss consists of biotite-quartzplagioclase gneiss |
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| GEOLOGIC ATLAS of PENNSYLVANIA No. 168 LANCASTER QUADRANGLE JONAS and STOSE PENNSYLVANIA GEOLOGICAL SURVEY...SERIES TOPOGRAPHIC AND GEOLOGIC ATLAS of PENNSYLVANIA NO. 168 LANCASTER QUADRANGLE GEOLOGY AND MINERAL...the U. S. Geological Survey By ANNA I. JONAS Pennsylvania Topographic and Geologic Survey and GEORGE...'930 COPYRIGHTED 1930 by the Commonwealth of Pennsylvania ADDITIONAL COPIES of this publication may...to form part No. 168 of the Geologic Atlas of Pennsylvania. The field and office preparation of this report |
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| GEOLOGY OF THE NAZARETH QUADRANGLE, NORTHAMPTON COUNTY; PENNSYLVANIA By John M. x^ Aaron Open-file report...extends 140 miles northeastward from Reading, Pennsylvania, through northwestern New Jersey (Jersey Highlands)...MILES I. Generalized geologic map of eastern Pennsylvania and western New Jersey. the northwest throughout...the Reading Prong and Great Valley in eastern Pennsylvania, is the subject of this dissertation. The general...formation of the Appalachians in the eastern Pennsylvania-western New Jersey area. Although the study |
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| published State geologic maps of Maryland and Pennsylvania somewhat modified. The Triassic igneous rocks...representative of the Stockton formation of eastern Pennsylvania and New Jersey. The middle portion is chiefly...probably represent the Brunswick shale of eastern Pennsylvania, as the Lockatong type of sediment apparently...reach this region, but ends south of Pottstown, Pennsylvania, as described by A. C. Hawkins.2 The Triassic...limestone floor is overlain by Triassic sediments. The Chestnut H ill igneous mass is a diabase sheet at a higher |
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| MYLONIZATION OF HYBRID ROCKS NEAR PHILADELPHIA, PENNSYLVANIA BY ELIZABETH ARMSTRONG CONTENTS Abstract.....a quarter of a mile southeast ofSpring Mill, Pennsylvania.. 678 Plate Facing page 1. Geologic and structural...Bucks counties in southeastern Pennsylvania and in Burlington County in New Jersey and is part of the...bounded on the southwest by the Montgomery County-Delaware County line and extends northeastward to 4 miles...gneiss was made in H. D. Rogers’ Geology of Pennsylvania (1858) where it is called a syenite. In this |
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| . . . . 3 . . . . . 7:45 . 1. John Hill: Transitional greenschist-ainphibolite 8:00 ....arnp;ainphihole; hiot=biotite; chL=chlorite; epi=epidote; epi-ami=epidote amphiholite; gar=garnet; Lb=hornblende;...greenschist facies metamorphic assemblages of albite -epidote -chlorite -biotite with Fe-Ti oxides, apatite,...lithologies are mapped: 1) A dark green amphibole - epidote - albite - greenstone. 2) A green to dark green...green chlorite - muscovite - actionolite albite - epidote - schist. 3) A silvery white quartz muscovite - |
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| 88 Some Minerals of the Serpentine Range near Easton, Pa. By George W. Gehman .... ...................of the rare mineral piedmontite in Adams County, Pennsylvania. Following the directions of Mr. 1'1artiu...piedmontite is ,ery similar to the con1mou green epidote, whjch it resembles crystallographically, except...Railroad, southeast of Charmian Station in Ada1ns County: at Blue Ridge Summit on the Pennsyh·arua-1\Iaryland...Pennsyh·arua-1\Iaryland border ; and, rarely, in Franklin County at scattered places on Jack's Mountain. In eYery case |
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| (289) 290 F. BASCOM— PIEDMONT DISTRICT OF PENNSYLVANIA Page Igneous rocks.................. ........Geologic history o f the Piedmont district o f Pennsylvania.................................. 322 Résumé...R E L A T I O N S The Piedm ont district of Pennsylvania, forming with a width of 65 miles the southeast...user 2U 2 F. BASCOM— PIEDMONT DISTRICT OF PENNSYLVANIA Northwest of the escarpment a more rugged topography...Pre-Cambrian or Archean Carolina gneiss. The Pennsylvania Piedm ont shows a sim ilar series of arenaceous |
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| Jersey: L a k e Hopatcong, Greenwood L a k e Pennsylvania: S c h u y l k i l l R i v e r Vi r g i n i...worn rocks along eastern streams and rivers f o r epidote, unakite, blue quartz, agate, chalcedony, petrified...dollars at the noted locality of Cowee Valley, Macon County, North Carolina. An enthusiastic family found and...visited the well known old Rutherford mine in Amelia County, Virginia, and found bright spessartine garnets...Excited collectors took home from old quarries in Pennsylvania and Maryland, pieces of apple green precious |
