CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
576 United States (New York) 44.43.30 N -- 073.54.15 W Chateaugay; Lyon Mountain ore belt; Lyon Mountain deposit group Fe
 
Database name: World Fe-oxide+/-Cu-Au-U (IOCG) deposits
Compilers: Sunil S. Gandhi
Release date: 2015-03-04
   
Deposit name(s): Chateaugay; Lyon Mountain ore belt; Lyon Mountain deposit group
Political location(s): United States; Province or state: New York; Subprovince or locality: Clinton County; Nearest community: Standish Town
Deposit clan (type): Kiruna-type
Deposit (sub) types: intrusion-hosted; deposition of magnetite from sodic, ore-bearing solutions genetically related to the host Lyon Mountain leucogranitic suite, at 600 to 700 degrees C.
Deposit status: past producer; Size category: 20 Mt; Status comments: Mining at Chateaugay and associated deposits on its trend (81, Phillips vein and Parkhurst), dates from 1870s and continued into 1970s. Total production from them was ~20 Mt of high grade iron ore.
Geologic province: Grenville Province
Geologic subprovince: Adirondack Mountains
Deposit object located: mine site
Commodities: Fe
Mineralization styles: disseminated magnetite along bands ; massive magnetite bands in granitoid
Geological ages: Late Mesoproterozoic (host rocks)
Tectonic setting: continental orogenic belt-fold and thrust; convergent; Formal name: Ottawan orogen (host rocks)
Host rocks: (1) intrusive; granite suite (Leucogranitic suite); Magma series/sedimentary package/metamorphic group: calc-alkaline; Depositional setting: catazonal; Metamorphic grade: granulite
Individual lithologies:leucogranite
Host rock stratigraphy:Lyon Mountain Granitic Gneiss
Related igneous rocks: (1) intrusive; granite suite (Leucogranitic suite); Magma series: calc-alkaline; Depositional setting: continental
Radiometric ages: Object dated: Host Rocks(1); Age - Ma: 1,055; +7; -7; Dating method: U-Pb; Concentrate: zircon; Source rock: K-rich leucogranitic gneiss; Formal name: Lyon Mtn. suite / sample AM 86-10; Event dated: host rock; Interpretive comment: outer zone of zircons dated; late stage Ottawan orogeny; zircon cores dated at 1152 +/- 11Ma; Reference: McLelland, J.; Hamilton, M.; Selleck, B.; McLelland, J. M.; Orrell, S. ; Walker, D., 2000: Zircon U-Pb Geochronology of the Ottawan Orogeny, Adirondacks Highlands, New York: Regional and Tectonic Implications; Precambrian Research, Volume 109, p. 39 - 72

Object dated: Host Rocks(1); Age - Ma: 1,055; +7; -7; Dating method: U-Pb; Concentrate: zircon; Source rock: Na-rich leucogranitic gneiss; Formal name: Lyon Mtn. suite / sample AM 86-14; Event dated: host rock; Interpretive comment: outer zone of zircons dated; late stage Ottawan orogeny; zircon cores dated at 1141 +/-16 Ma; Reference: McLelland, J.; Hamilton, M.; Selleck, B.; McLelland, J. M.; Orrell, S. ; Walker, D., 2000: Zircon U-Pb Geochronology of the Ottawan Orogeny, Adirondacks Highlands, New York: Regional and Tectonic Implications; Precambrian Research, Volume 109, p. 39 - 72

Object dated: Host Rocks(1); Age - Ma: 1,060; +10; -10; Dating method: U-Pb; Concentrate: zircon; Source rock: K-rich leucogranitic gneiss; Formal name: Lyon Mtn. suite / sample AM 86-4; Event dated: host rock; Interpretive comment: outer zone of zircons dated; late stage Ottawan orogeny; zircon cores dated at 1158 +/-16 Ma; Reference: McLelland, J.; Hamilton, M.; Selleck, B.; McLelland, J. M.; Orrell, S. ; Walker, D., 2000: Zircon U-Pb Geochronology of the Ottawan Orogeny, Adirondacks Highlands, New York: Regional and Tectonic Implications; Precambrian Research, Volume 109, p. 39 - 72

Object dated: Host Rocks(1); Age - Ma: 1,048.7; +2.2; -2.2; Dating method: U-Pb; Concentrate: zircon; Source rock: K-rich leucogranitic gneiss; Formal name: Lyon Mtn. suite / sample 9-23-85-6; Event dated: host rock; Interpretive comment: outer zone of zircons dated; late stage Ottawan orogeny; zircon cores small or absent; Reference: McLelland, J.; Hamilton, M.; Selleck, B.; McLelland, J. M.; Orrell, S. ; Walker, D., 2000: Zircon U-Pb Geochronology of the Ottawan Orogeny, Adirondacks Highlands, New York: Regional and Tectonic Implications; Precambrian Research, Volume 109, p. 39 - 72

Object dated: Host Rocks(1); Age - Ma: 1,047.3; +2.2; -2.2; Dating method: U-Pb; Concentrate: zircon; Source rock: fayalite granite; Formal name: Lyon Mtn. suite / sample AM 86-11; Event dated: host rock; Interpretive comment: massive phase of the gneissic intrusive emplaced at late stage of the Ottawan orogeny; Reference: McLelland, J.; Hamilton, M.; Selleck, B.; McLelland, J. M.; Orrell, S. ; Walker, D., 2000: Zircon U-Pb Geochronology of the Ottawan Orogeny, Adirondacks Highlands, New York: Regional and Tectonic Implications; Precambrian Research, Volume 109, p. 39 - 72

Object dated: Host Rocks(1); Age - Ma: 1,047; +10; -10; Dating method: U-Pb; Concentrate: zircon; Source rock: fayalite granite; Formal name: Lyon Mtn. suite / sample CLFG; Event dated: host rock; Interpretive comment: Late Ottawan massive phase; outer zone of zircons dated; cores dated at 1155 +/-16 Ma; Reference: McLelland, J.; Hamilton, M.; Selleck, B.; McLelland, J. M.; Orrell, S. ; Walker, D., 2000: Zircon U-Pb Geochronology of the Ottawan Orogeny, Adirondacks Highlands, New York: Regional and Tectonic Implications; Precambrian Research, Volume 109, p. 39 - 72

Object dated: Related igneous rocks(1); Age - Ma: 1,034; +10; -10; Dating method: U-Pb; Concentrate: zircon; Source rock: Zoned pegmatite (qtz-alb.) dyke; Formal name: Lyon Mtn. suite/ sample PL-PEG; Event dated: host rock; Interpretive comment: Pegmatite cuts leucogranitic gneiss of the suite; elsewhere postdates magnetite-rich zones in it; Reference: McLelland, J.; Hamilton, M.; Selleck, B.; McLelland, J. M.; Orrell, S. ; Walker, D., 2000: Zircon U-Pb Geochronology of the Ottawan Orogeny, Adirondacks Highlands, New York: Regional and Tectonic Implications; Precambrian Research, Volume 109, p. 39 - 72

Object dated: Related igneous rocks(1); Age - Ma: 1,026; +8; -8; Dating method: U-Pb; Concentrate: monazite; Source rock: Zoned pegmatite (qtz-alb.) dyke; Formal name: Lyon Mtn. suite/ sample PL-PEG; Event dated: host rock; Interpretive comment: The date is regarded as the time of monazite closure at ~ 725 degrees C.; Reference: McLelland, J.; Hamilton, M.; Selleck, B.; McLelland, J. M.; Orrell, S. ; Walker, D., 2000: Zircon U-Pb Geochronology of the Ottawan Orogeny, Adirondacks Highlands, New York: Regional and Tectonic Implications; Precambrian Research, Volume 109, p. 39 - 72
References:
Alling, H. L., 1939
Metasomatic Origin of the Adirondack Magnetites
Economic Geology, Volume 34, p. 141 - 172

Balsley, J. R.; Buddington, A. F., 1958
Iron-Titanium Oxide minerals, Rocks, and Aeromagnetic Anomalies of the Adirondack Area, New York
Economic Geology, Volume 53, p. 777 - 805

Buddington, A. F., 1966
The Precambrian Magnetite Deposits of New York and New Jersey
Economic Geology, Volume 61, p. 484 - 511

Chiarenzelli, J.; McLelland, J., 1991
Age and Regional Relationships of Granitoid Rocks of the Adirondacks Highlands
Journal of Geology, Volume 99, p. 571 - 590

Collins, L. G., 1969
Host Rock Origin of Magnetite in Pyroxene Skarn and Gneiss and its Relation to Alaskite and Hornblende Granite
Economic Geology, Volume 64, p. 191 - 201

Foose, M. P.; McLelland, J. M., 1995
Proterozoic low-Ti iron oxide deposits in New York and New Jersey: Relation to Fe oxide (Cu-U-Au-rare earth element) deposits and tectonic implications
Geology, Volume 23, p. 665 - 668

Gallagher, D., 1937
Origin of Magnetite Deposits at Lyon Mountain, N.Y.
New York State Museum Bulletin, p. 1 - 85

McLelland, J., 1984
Origin of Ribbon Lineation in Quartzofeldspathic Gneisses of the Adirondacks
Journal of Structural Geology, Volume 6, p. 147 - 167

McLelland, J.; Daly, J. S.; McLelland, J. M., 1996
The Grenville Orogenic Cycle (ca. 1300-1000 Ma): An Adirondack Perspective
Tectonophysics, p. 1 - 28

McLelland, J.; Hamilton, M.; Selleck, B.; McLelland, J. M.; Orrell, S. ; Walker, D., 2000
Zircon U-Pb Geochronology of the Ottawan Orogeny, Adirondacks Highlands, New York: Regional and Tectonic Implications
Precambrian Research, Volume 109, p. 39 - 72

McLelland, J.; Morrison, J.; Selleck, B.; Cunningham, B.; Olson, C., 2001
Hydrothermal Alteration of Late- to Post-tectonic Lyon Mountain Granitic Gneiss, Adirondack Mountains, New York: Origin of Quartz-Sillimanite Segregations, Quartz-Albite Lithologies, and Associated Kiruna-type Low-Ti Fe Oxide Deposits
Journal of Metamorphic Geology, Volume 19, p. in press

McLelland, J.; Foose, M. P.; Morrison, J., 2001
Kiruna-type Low-Ti, Fe Oxide ores and Related Rocks, Adirondack Mountains, New York: High Temperature Hydrothermal Processes
in Proterozoic iron and zinc deposits of the Adirondack Mountains of New York and New Jersey Highlands (Part 1; Guide Book 35), Edited by Slack, J. F., Guide Book Series, Society of Economic Geologists, Society of Economic Geology, Inc., v. 35/pt.1, 110 p, p. 7 - 17

Miller, W. J., 1919
Magnetite Iron Ores of Clinton County, New York
Economic Geology, Volume 14, p. 509 - 535

Newland, D. H., 1920
Magnetic Iron Ores of Clinton County, New York
Economic Geology, Volume 15, p. 177 - 180

Postel, A. W., 1952
Geology of the Clinton County Magnetite District, New York
Professional Papers, United States Geological Survey, Publication code 237, 87 p., 3 maps.

Sangster, A. L.; Gauthier, M. ; Gower, C. F., 1992
Metallogeny of Structural Zones, Grenville Province, Northeastern North America
Precambrian Research, Volume 58, p. 401 - 426

Wasteneys, H.; McLelland, J.; Lumbers, S., 1999
Precise Zircon Geochronology in the Adirondack Lowlands and Implications for Revising Plate Tectonic Models of the Central Metasedimentary Belt and Adirondack Mountains, Grenville Province, Ontario and New York
Canadian Journal of Earth Sciences, Volume 36, p. 967 - 984

Production data: Report period: from 1870 until 1975; 20 million long tons ore; Provisional entry?: no; Yearly or summary?: S
Grade-commodity information:Fe: 26 percent
Reference: McLelland, J. M; Slack, J. F.; deLorraine, W. F., 2001: Field Trip Day Two: Road Log for Lyon Mountain Iron Mine and Northwest Adirondack Mountains Geology; in Proterozoic iron and zinc deposits of the Adirondack Mountains of New York and New Jersey Highlands (Part 1; Guide Book 35), Edited by Slack, J. F., Guide Book Series, Society of Economic Geologists, Society of Economic Geology, Inc., v. 35/pt.1, 110 p, p. 19 - 22
Percent weights allocated to deposit: 75.0%
Associated group(s): Lyon Mountain ore belt (9)

Generated 2015-03-04 14:17:21 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada