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Canfield Mica locality, Franklin Marble, Franklin, Franklin mining district, Sussex Co., New Jersey, USAi
Regional Level Types
Canfield Mica locality- not defined -
Franklin Marble- not defined -
Franklin- not defined -
Franklin mining districtMining District
Sussex Co.County
New JerseyState
USACountry

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Latitude & Longitude (WGS84): 41° 6' 19'' North , 74° 35' 22'' West
Latitude & Longitude (decimal): 41.10528,-74.58972
GeoHash:G#: dr6cydvrt
Köppen climate type:Dfb : Warm-summer humid continental climate


Small quarry in Franklin Marble. Noted for producing well-formed mica crystals to over 10 cm long, although such sizes were seen in many of the Franklin marble quarries. The locality was extensively collected by noted mineral collector, Frederick Alexander Canfield of Dover, New Jersey, USA. The origiginal locality produced giant well-formed mica crystals. The mica was originally identified as "phlogopite," but the revision of mica nomenclature uses the name fluorophlogopite for this mica. While actual hydroxyl-dominant phlogopite may occur in the marble in very small quantities, its existence remains unproven by chemical analysis.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: Palache, Charles (1935) Professional Paper 180.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Palache, Charles (1935) Professional Paper 180.
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Van King
Fluorophlogopite
Formula: KMg3(AlSi3O10)(F,OH)2
Reference: Palache, Charles (1935) Professional Paper 180.
Goethite
Formula: α-Fe3+O(OH)
Reference: Van King
Graphite
Formula: C
Reference: Dunn (1995, 2004)
Magnesio-fluoro-hastingsite
Formula: {Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)F2
Reference: Dunn (1995, 2004)
Pyrrhotite
Formula: Fe7S8
Reference: Dunn (1995, 2004)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Graphite'1.CB.05aC
Group 2 - Sulphides and Sulfosalts
'Pyrrhotite'2.CC.10Fe7S8
Group 4 - Oxides and Hydroxides
'Goethite'4.00.α-Fe3+O(OH)
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3
Group 8 - Phosphates, Arsenates and Vanadates
'Fluorapatite'8.BN.05Ca5(PO4)3F
Group 9 - Silicates
'Epidote'9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
'Fluorophlogopite'9.EC.20KMg3(AlSi3O10)(F,OH)2
'Magnesio-fluoro-hastingsite'9.DE.15{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)F2

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Graphite1.3.6.2C
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Unclassified Minerals, Rocks, etc.
Fluorophlogopite-KMg3(AlSi3O10)(F,OH)2
Magnesio-fluoro-hastingsite-{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)F2

List of minerals for each chemical element

HHydrogen
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Goethiteα-Fe3+O(OH)
CCarbon
C CalciteCaCO3
C GraphiteC
OOxygen
O CalciteCaCO3
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O FluorapatiteCa5(PO4)3F
O FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
O Goethiteα-Fe3+O(OH)
O Magnesio-fluoro-hastingsite{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)F2
FFluorine
F FluorapatiteCa5(PO4)3F
F FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
F Magnesio-fluoro-hastingsite{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)F2
NaSodium
Na Magnesio-fluoro-hastingsite{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)F2
MgMagnesium
Mg FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
Mg Magnesio-fluoro-hastingsite{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)F2
AlAluminium
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
Al Magnesio-fluoro-hastingsite{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)F2
SiSilicon
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
Si Magnesio-fluoro-hastingsite{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)F2
PPhosphorus
P FluorapatiteCa5(PO4)3F
SSulfur
S PyrrhotiteFe7S8
KPotassium
K FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
CaCalcium
Ca CalciteCaCO3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca FluorapatiteCa5(PO4)3F
Ca Magnesio-fluoro-hastingsite{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)F2
FeIron
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe Goethiteα-Fe3+O(OH)
Fe Magnesio-fluoro-hastingsite{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)F2
Fe PyrrhotiteFe7S8

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Mesoproterozoic
1000 - 1600 Ma



ID: 3188605
Mesoproterozoic crystalline metamorphic rocks

Age: Mesoproterozoic (1000 - 1600 Ma)

Lithology: Paragneiss; paragneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Mesoproterozoic
1000 - 1600 Ma



ID: 2874051
Franklin Marble

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: Franklin Marble

Description: White- to light-gray-weathering, white, grayish-white, or, less commonly pinkish-orange, coarse- to locally fine-crystalline calcite marble with accessory amounts of graphite, phlogopite, chondrodite, clinopyroxene, and serpentine. Contains pods and layers of clinopyroxene-garnet skarn, hornblende skarn, and clinopyroxene-rich rock. Thin layers of metaquartzite occur locally. Intruded by the Mount Eve Granite in the Pochuck Mountain area. Franklin Marble is host to the Franklin and Sterling Hill zinc ore bodies; exploited for talc and asbestiform minerals near Easton, Pennsylvania. Subdivided into an upper marble, "Wildcat marble," and a lower marble, "Franklin marble," by New Jersey Zinc Co. geologists (Hague and others, 1956).

Comments: Metasedimentary Rocks (Middle Proterozoic) Original map source: Dalton, R.F., Herman, G.C., Monteverde, D.H., Pristas, R.S., Sugarman, P.J., and Volkert, R.A., 1999, New Jersey Department of Environmental Protection, Bedrock Geology and Topographic Base Maps of New Jersey: New Jersey Geological Survey CD Series CD 00

Lithology: Major:{marble}, Minor:{skarn,quartzite}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


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