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Pennsylvania, USA

This page kindly sponsored by Mark Heintzelman
 
Location is approximate, based on center of defined region.
 
Latitude & Longitude: 40° North , 77° West (est.)
Neighbouring regions:
Museums in region:


One of the original 13 states of the USA. A state with diverse geology ranging from Precambrian regions in the easternmost areas, vast beds of dolomitic limestones, Pennsylvanian period formations containing both anthracite coal (eastern) and bituminous coal (western). Triassic diabase intrudes older rocks along the eastern border and into the center of the state.




Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

Acanthite

Acetamide

Actinolite

Afmite

Albite

var: Albite Moonstone

var: Oligoclase

'Albite-Anorthite Series'

Allanite-(Ce)

'Allanite Group'

Alloclasite

Allophane

Almandine

Alum-(K)

Alunite

Alunogen

Amphibole Supergroup

var: Byssolite

var: Uralite

Analcime

Anatase

Ancylite-(Ce)

Andersonite

Andradite

'Andradite-Grossular Series'

Anglesite

Anhydrite

Ankerite

Anorthite

var: Bytownite

'Anorthoclase'

Anthophyllite

Antigorite

var: Williamsite

'Apatite'

Apjohnite

'Apophyllite'

'Aquacreptite'

Aquacreptite (of Shepard)

Aragonite

Arsenolite

Arsenopalladinite

Arsenopyrite

'Asbestos'

Augite

Aurichalcite

Autunite

Axinite-(Fe)

'Axinite Group'

Axinite-(Mn)

Azurite

Babingtonite

Baddeleyite

Bararite

Baryte

'Bastnäsite'

Bastnäsite-(Ce)

Baumhauerite

Beraunite

Berndtite

Beryl

var: Aquamarine

Bianchite

Bieberite

Billietite

'Biotite'

Bismuthinite

Bismutite

'Bloodstone'

Böhmite

Boltwoodite

Bornite

Botryogen

Boussingaultite

Braggite

Brannerite

Brezinaite

Brochantite

Brookite

Brucite

Cacoxenite

'Calamine'

Calcioancylite-(Ce)

Calcite

Cancrinite

Carlsbergite

Carnotite

Cassiterite

'Cat's Eye'

Celestine (TL)

Cerussite

'Chabazite'

Chabazite-Ca

Chalcanthite

Chalcocite

'Chalcodite'

Chalcophyllite

Chalcopyrite

var: Auriferous Chalcopyrite

var: Blister Copper

Chamosite

Chevkinite-(Ce)

'Chevkinite Group'

'Chlorite Group'

Chloritoid

'Chlorophyllite'

Chondrodite

Chromite

Chrysocolla

'Chrysolite'

Chrysotile

Clausthalite

'Clays'

Clinochlore (TL)

var: Chromian Clinochlore

var: Colerainite

var: Pennine

var: Ripidolite

var: Sheridanite

'Clinochrysotile'

'Clinopyroxene Subgroup'

Clinozoisite

Coalingite

Cobaltite

Coffinite

'Columbite-(Fe)-Columbite-(Mn) Series'

Columbite-(Mn)

Conichalcite

Copiapite

Copper

Cordierite

Corkite

Cornubite

Corrensite

Corundum

Covellite

Crandallite

Cryptohalite

Cryptomelane

Cuprite

var: Chalcotrichite

Datolite

Daubréelite

Desautelsite (TL)

Descloizite

Devilline

'Deweylite'

Dewindtite

Diaspore

Dickite

Digenite

Diopside

var: Chromian Diopside

Dioptase

Djurleite

Dolomite

var: Ferroan Dolomite

Donbassite

Downeyite (TL)

Dozyite

Dravite

var: Chromian Dravite

Dumortierite

Eastonite (TL)

Elbaite

Eleonorite

Enargite

Enstatite

Epidote

Epsomite

Erlichmanite

Erythrite

Fayalite

'Fayalite-Forsterite Series'

'Feldspar Group'

'Fergusonite'

Ferrihydrite

var: Melanosiderite

Ferrimolybdite

'Ferro-Actinolite-Tremolite Series'

Ferro-hornblende

Ferronickelplatinum

Fluorapatite

var: Carbonate-rich Fluorapatite

Fluorapophyllite-(K)

Fluorite

Forsterite

Francevillite

Freibergite

Gahnite

Galena

var: Argentiferous Galena

var: Auriferous Galena

'Garnet'

'Garnierite'

Gaspéite

Gersdorffite

Gibbsite

Giorgiosite

'Gismondine'

Glaucodot

Glauconite

'Glockerite'

Godlevskite

Godovikovite

Goethite

Gold

Goslarite

Graphite

Greenockite

Grossular

'Gummite'

Gypsum

var: Selenite

Halite

Halotrichite

Harmotome

Heazlewoodite

Hematite

var: Specularite

Hemimorphite

Hercynite

Herzenbergite

Hessite

'Heulandite'

Heulandite-Ca

Hexahydrite

Hieratite

Hinsdalite

Hisingerite

Hollingworthite

'Hornblende'

Huntite

Hydrobasaluminite

'Hydrodolomite'

Hydromagnesite

Hydroxyapophyllite-(K)

Hydroxylapatite

Hydroxylpyromorphite

Hydrozincite

'Hypersthene'

Ice

Ilmenite

Ilvaite

Irarsite

Iridium

Iron

var: Kamacite

Isoferroplatinum

Jarosite

Jordanite

Kaolinite

Kasolite

'K Feldspar'

'var: Adularia'

Kobokoboite

Kotulskite

Kyanite

'Labradorite'

'Lancasterite'

Langite

Lansfordite (TL)

Lanthanite-(La)

Laphamite (TL)

Laumontite

var: Leonhardite

Laurite

Lazulite

Lechatelierite

'Leidyite'

Lepidocrocite

Leucoxene

Libethenite

Liebigite

'Limonite'

Linarite

Lizardite

Mackinawite

Magnesiochromite

Magnesite

var: Breunnerite

var: Ferroan Magnesite

Magnetite

Majakite

Malachite

Malanite

'Manganese Oxides'

'var: Manganese Dendrites'

Marcasite

Margarite

Marialite

Mascagnite

Matulaite (TL)

Maucherite

Mcguinnessite

Melanterite

Melonite

Mendipite

Menshikovite

Mesolite

Meta-autunite

Metanováčekite

Metatorbernite

Metazeunerite

'Mica Group'

Microcline

var: Amazonite

var: Chesterlite

var: Hyalophane

Microlite Group

'Microperthite'

Millerite

Millosevichite

Mimetite

Mirabilite

Molybdenite

Molybdite

'Monazite'

Monazite-(Ce)

Monticellite

Montmorillonite

Morenosite

Mottramite

Muscovite

var: Damourite

var: Sericite

Nakauriite

Naldrettite

Natrolite

Nepheline

Nesquehonite (TL)

Nickeline

Nontronite

Okenite

Olivenite

'Olivine'

Omeiite

Opal

var: Opal-AN

Orcelite

Orpiment

Orthoclase

var: Delawarite

'Orthopyroxene Subgroup'

Osmium

Ottemannite

Palladoarsenide

Palygorskite

Paragonite

Pectolite

var: Manganoan Pectolite

Pentlandite

Perovskite

'Petrified Wood'

'Phillipsite'

Phlogopite

Phosgenite

Phosphuranylite

Pickeringite

Piemontite

Pigeonite

'Pimelite'

'Pinite'

Planerite

Platinum

'Plessite'

Plumbojarosite

Pokrovskite

Polydymite

Posnjakite

Powellite

'Powellite-Scheelite Series'

Prehnite

Priderite

Pseudomalachite

'Psilomelane'

'Pumpellyite'

Pumpellyite-(Mg)

Pyrite

var: Cobaltoan Pyrite

Pyroaurite

'Pyrobitumen'

Pyrolusite

Pyromorphite

Pyrope

var: Chromian Pyrope

Pyrophyllite

'Pyroxene Group'

Pyrrhotite

var: Nickeloan Pyrrhotite

Quartz

var: Agate

var: Amethyst

var: Blue Quartz

var: Carnelian

var: Chalcedony

var: Ferruginous Quartz

var: Jasper

var: Milky Quartz

var: Moss Agate

var: Prase

var: Rock Crystal

var: Rutilated Quartz

var: Smoky Quartz

Ramsbeckite

'Randite'

Realgar

Retgersite

Rhodochrosite

Riebeckite

'Riebeckite Root Name'

'var: Crocidolite'

Rockbridgeite

Romanèchite

Rozenite

Ruarsite

Ruizite

Rutile

Safflorite

Salammoniac

Samarskite-(Y)

Saponite

Sauconite (TL)

'Scapolite'

'var: Wernerite'

Scheelite

Schorl

Schreibersite

Schröckingerite

Schwertmannite

Scolecite

Selenium

Sepiolite

'Serpentine Subgroup'

'var: Marmolite'

'var: Picrolite'

'var: Retinalite'

Serpierite

Shandite

Siderite

var: Sphärosiderite

Sillimanite

Silver

Sklodowskite

Skutterudite

'Smectite-claystone'

Smithsonite

Sobolevskite

Sperrylite

Spessartine

Sphalerite

Spinel

Staurolite

Steklite

Stellerite

Stibiopalladinite

Stibnite

'Stilbite'

Stilbite-Ca

Stilbite-Na

Stilpnomelane

Strengite

Strontianite

Sudburyite

Sulphur

Sulphur-β

'Sunstone'

Susannite

Taenite

Talc

var: Steatite

Tellurobismuthite

Telluropalladinite

Tennantite

Tenorite

Tetraferroplatinum

Tetrahedrite

'Thénardite'

'Thomsonite'

Thomsonite-Ca

Thorianite

Thorite

'Thorogummite'

Titanite

Tochilinite

Topaz

Torbernite

'Tourmaline'

Tremolite

Troilite

Tschermigite

Tulameenite

'Turgite'

Turquoise

Tyrolite

Tyuyamunite

Ulvöspinel

'UM1956-01-O:HPbU'

'UM1965-08-OH:FeMgNi'

Ungavaite

'Unnamed (Ge Sulphide)'

'Unnamed (K-Al Fluoride)'

'Unnamed (NH4-Al Fluoride)'

Uraninite

var: Thorian Uraninite

Uranophane

Uranophane-β

Uvarovite

Vanadinite

Vandendriesscheite

Variscite

Vauxite

Vermiculite

Vesuvianite

Vincentite

Violarite

Vivianite

Voltaite

Vysotskite

'Wad'

Wattevilleite

Wavellite

Weeksite

Wheatleyite (TL)

Willemite

Wollastonite

Wölsendorfite

Woodhouseite

Wulfenite

Wurtzite

Wüstite

Xenotime-(Y)

Zaratite

Zeunerite

Zincite

Zircon

var: Cyrtolite

Zoisite

var: Thulite


399 valid minerals. 11 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Geochronology

Mineralization age: Proterozoic : 1292.4 ± 12.6 Ma to 985 ± 7 Ma

Important note: This table is based only on rock and mineral ages recorded below and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Precambrian
 Proterozoic
  Neoproterozoic
   Tonian
ⓘ Zircon (youngest age)985 ± 7 MaSherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry complex (Williams and Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA
    
   
  Mesoproterozoic
   Ectasian
ⓘ Zircon (oldest age)1292.4 ± 12.6 MaSherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry complex (Williams and Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA

Localities in this Region

USA
USA

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Genth, F.A. (1875) Preliminary Report on the Mineralogy of Pennsylvania. Second Geological Survey of Pennsylvania, Harrisburg.
Gordon, S.G. (1922) The Mineralogy of Pennsylvania. 255 pp., Philadelphia.
R. C. Smith, II (1977): Zinc and Lead Occurrences in Pennsylvania. Mineral Resources Report No. 72, Pennsylvania Geological Survey, xx pp. [http://www.docs.dcnr.pa.gov/cs/groups/public/documents/document/dcnr_007591.pdf and https://archive.org/details/zincleadoccurren00smit]
D. M. Lapham, J. H. Barns, W. Downey Jr. and R. B. Finkelman (1980): Mineralogy associated with burning Anthracite deposits of Eastern Pennsylvania. Commonwealth of Pennsylvania, Department of Environmental Resources, Bureau of Topographic and Geologic Survey, Mineral Resources Report 78, 82 pp.

Mineral and/or Locality  
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