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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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| 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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| 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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| NOTES ON THE OCCURRENCE OF SERPENTINE AND TALC AT EASTON, PENNA. I? 8. p n c [Plate XVI ; text figura 4...SOILIIWU~IY dimion, Cthe astern border of the State of Pennsylvania atwm Euton on the north and Kintncnville on...Penntylvanh ride of the river it b known u Chutnut Hill. Just a c m the river on the New J& side it i.~known...constitutes the only rccumnce of prc-Cambrian rocks in Pennsylvania north of the Lchigh River. A .docriptian of...stn~clurcwill COrUtitute the suixtana of this paper. Chetmut Hill is cornped d a dcnx hornblcndr. P n t ; s with &tinct |
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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...Hexenkopf Complex on the west slope of Christines Hill and adjacent area where it unconformably overlies |
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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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| Allentown East Quadrangle Lehigh, Northampton, and Bucks Counties, Pennsylvania By Avery Ala Drake. Jr. 1 Open-File...ALLENTOWN EAST QUADRANGLE LEfflGH, NORTHAMPTON, AND BUCKS COUNTIES, PENNSYLVANIA Introduction The Allentown East...East quadrangle, in eastern Pennsylvania, lies across the contact of Mesoproterozoic (Plumb, 1991) crystalline...quadrangle have been studied elsewhere in eastern Pennsylvania and the reader is referred to Buckwalter (1959...the northwest slope of Applebutter Hill just west of Chestnut Hill Road. Quartzofeldspathic gneiss in |
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| GEOLOGY OF THE NORTHAMPTON CEMENT BELT, IN LEHIGH AND COUNTIES, PA., WITH BRIEF HISTORY OF THE ORIGIN...part of New Jersey and the southeasternpart of Pennsylvania,in a northeasterlysouthwesterlydirectionand...ene- FiG. I. View from the summit of Chestnut Hill near Easton, Pa., looking northwest across the Kittatinny...illustratedby Fig. t. THE CEMENT BELT IN PENNSYLVANIA. STRATIGRAPI-I¾. ThePre-cambrian Rocks.-•Thegeologic...-•Thegeologic columnin Lehighand Northampton counties beginsat thebottomwith thepre-cambrian rocks which |
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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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| 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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| PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES BULLETIN M 15 BUILDING STONES OF PENNSYLVANIA By RALPH... COPYRIGHTED 1932 BY THE COMMONWEALTH OF PENNSYLVANIA ADDITIONAL COPIES OF THIS PUBLICATION BUREAU...Structure 3 •> 10 Strength 10 Geology of Pennsylvania Physiography Stratigraphy Appalachian Revolut...Adams County Allegheny County Armstrong County Beaver County 19 1" -<» -- 24 -7 Bedford County -'•'...-;"» SO Perks County ;>- Blair County Bradford County Pucks County Butler County 00 03 07 77 Cambria |
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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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| 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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| 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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| 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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| SOME HORNBLENDES FROM SOUTHEASTERN PENNSYLVANIA AND DELAWARE1 AenaHnM RosnNzwBrc2nNo Elwenp H. W,c'rsow...tr, Pennsylvania. ABSTRACT A group of eight hornblendes Irom the Piedmont region of Pennsylvania and...alteration. INrnouucrroN The piedmont province in Pennsylvania and Delaware has been studied for many years...and finer-grained and more massive on Chestnut Hill and Iron Hill to the southwestJ5-ZZ-Norristown 89781-Sma1l...crusher, a roller mill, and a HORNBLENDES FROM PENNSYLVANIA AND DELAWARE Tesr-B 1 35-10 35-11 35-22 35-27 |
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| value. Some minerals, such as the copper ores of Pennsylvania, are included in the list not because they occur...North Carolina.. .Dr. Joseph Hyde Pratt, Chapel Hill. North Dakota... .Dr. A. G. Leonard, Grand Forks...Oregon............Prof. A. J. Collier, Eugene. Pennsylvania.... .Mr. R. R. Hice, Beaver. Prof. Florence...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton; |
 | Le Roy Fairchild, H. (1903) Proceedings of the Fifteenth Annual Meeting, held at Washington, D. C., December 30 and 31,1902, and January 1 and 2, 1903, including Proceedings of the Fourth Annual Meeting of the Cordilleran Section, held at San Francisco, December 30 and 31, 1902. Geological Society of America Bulletin, 14 (1) 495-588 doi:10.1130/gsab-14-495 | Journal (article/letter/editorial) |
| Basal conglomerate in Lehigh and Northampton counties, Pennsylvania ; by Frederick B. P eck............... 564 Genesis of the ore deposits in Boulder county, Colorado [abstract] ; by Rufus M. Bagg, Jr......Nat. Hist., vol. 14, 1871, p. 58. Eozoon in Essex county. Bull.. Essex Inst., vol. 2, 1870, p. 93. Raised...pp. 396-399. On the geological survey of Essex county. Bull. Essex Inst., vol. 3, 1871, pp. 49-53. The...locating coal beds on cape Breton and in Cum berland county, Nova Scotia. Until 1870 he had an office as consulting |
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| MINEBAL BESOUECES OF THE MIDDLETOWN QUADRANGLE, PENNSYLVANIA BY GEORGE W. STOSE AND ANNA I. JONAS (fj*O...(fj*O.,/ *S Prepared in cooperation with the PENNSYLVANIA TOPOGRAPHIC AND GEOLOGIC SURVEY UNITED STATES...Beekmantown limestone 1 mile southwest of Rheems; B, Hill Island...._.____._.._.____ 8. A, Large quarry in...main Paleozoic structural features of southern Pennsylvania and the adjacent part of Maryland.._____________...Middletown _______________ FIGURE 1. Outline map of Pennsylvania, showing location of the Middletown quadrangle |
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| of 8 high iron hypersthenes from Southeastern Pennsylvania and Delaware are presented. Curves are given...of the Graduate School of the University of Pennsylvania in partial fulfillment of the requirements for...1949. 1 Present address, Pennsylvania Salt Manufacturing Company, Chestnut Hill, Pennsyl- 566 FROM PENNSYLVANIAAND...from a series of rocks found in southeastern Pennsylvania and Delaware. The rock sites concerned are the...nine S-minute sub-quad- HYPERSTHENES FROM PENNSYLVANIA AND DELAWARE 569 noritic eucrite of medium |
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| THE DOE RUN AND AVONDALE REGION, CHESTER COUNTY, PENNSYLVANIA. By ELEANORA F. BLrss and ANNA I. JoNAS...region discussed in this paper lies in Chester County, Pa., and is included in the eastern half of the...location of Doe Run' and Avondale region, Chester County, Pa. line schists and gneisses . of the Piedmont...by the First and Second geological surveys of Pennsylvania are somewhat similar to each other. H. D. Rogers...into "Philadelphia schists and gneisses" and "Chestnut Hill garnetiferous schists." The quartzite he called |
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| Red and gray sandstone shale, and limestone. PENNSYLVANIA 40 I 60 50 Ml I 80 KM 76° -, I II --...l0000unse THE GEOLOGY OF PENNSYLVANIA COMMONWEALTH OF PENNSYLVANIA Mark Schweiker, Governor DEPARTMENT...Geology Slippery Rock University Published by PENNSYLVANIA GEOLOGICAL SURVEY PITTSBURGH GEOLOGICAL SOCIETY...from Hyner View, Hyner Run Slate Park, Clinton County, showing accordant ridges in the Appalachian Plateaus...of the Ridge and Valley province in Huntingdon County. Flooded meanders of Raystown Lake on the Raystown |
Sherrer Quarry, C.K. Williams Quarry complex, Chestnut Hill, Easton, Northampton County, Pennsylvania, USA