Database name: |
World Fe-oxide+/-Cu-Au-U (IOCG) deposits |
Compilers: |
Sunil S. Gandhi |
Release date: |
2015-03-04 |
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Deposit name(s): |
Green Farm deposit; Vrooman Ridge, Fine |
Political location(s): |
United States; Province or state: New York; Subprovince or locality: St. Lawrence County; Nearest community: Fine (1.75 mi 170) |
Deposit clan (type): |
Kiruna-type |
Deposit (sub) types: |
skarn(?) |
Deposit status: |
past producer; Size category: small; Status comments: Drilled during 1875-80 and 1885-90. Ore shipped during the later period. Pits and a shaft, said to be 35 feet deep flooded with water. Strong magnetic anomaly indicative of high grade of ore shipped. |
Geologic province: |
Grenville Province |
Geologic subprovince: |
Adirondack Mountains |
Deposit object located: |
mine site |
Commodities: |
Fe |
Geological ages: |
Late Mesoproterozoic (host rocks) |
Tectonic setting: |
continental deformation zone-fold; convergent; Formal name: Colton Hill anticline (host rocks) |
Host rocks: |
(1) metamorphic; paragneiss (migmatitic pyroxene skarn ); Magma series/sedimentary package/metamorphic group: calc-silicate assemblage; Metamorphic grade: amphiboliteHost rock protoliths: | calcareous siltstone (intruded by granitic gneiss); Host rock protolith name: host Grenville gneisses | Host rock stratigraphy: | Grenville sedimentary sequence |
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Related igneous rocks: |
(1) intrusive; granite suite (alaskite gneiss in the vicinity); Initials: Lyon Mountain granitic gneiss; Magma series: calc-alkaline; Depositional setting: continental |
References: |
Leonard, B. F.; Buddington, A. F., 1964 |
Ore Deposits of the St. Lawrence County Magnetite District, Northwest Adirondacks, New York |
Professional Papers, United States Geological Survey, Publication code 377, 259 p., 27 maps. |
Newland, D. H., 1908 |
Geology of the Adirondack Magnetic Iron Ores, with a Report on the Mineville-Port Henry Mine Group by J. F. Kemp |
New York State Museum Bulletin, p. 1 - 182 |
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