6
was partially funded by the USGS Earth MRI Cooperative
Agreement No. G23AC00054-00 as a subcontract with
the Arizona Geological Survey and student grants from
the NMGS and New Mexico Tech Brightstar Scholarship.
Thanks to Dr. Matt Heizler and the rest of the NMGRL for
ongoing help with sample preparation and geochronology
analysis. Additional thanks to Dr. McLemore’s Economic
Geology Group.
REFERENCES
[1] Sillitoe, R.H., 2010, Porphyry Copper Systems:
Economic Geology, v. 105, p. 3–41, doi:10.2113/
gsecongeo.105.1.3.
[2] Leveille, R.A., and Stegen, R.J., 2012, The
Southwestern North America Porphyry Copper
Province: Society of Economic Geologists Special
Publication 16, p. 361–401, doi:10.5382/SP.16.15.
[3] McLemore, V.T., 2008, Potential for Laramide por-
phyry copper deposits in southwestern New Mexico,
in 59th Annual Fall Field Conference Guidebook,
New Mexico Geological Society.
[4] McMillan, N.J., 2004, Magmatic Record of Laramide
Subduction and the Transition to Tertiary Extension:
Upper Cretaceous through Eocene Igneous Rocks
of New Mexico, in New Mexico Geological Society
Special Publication 11,.
[5] Amato, J.M., Mack, G.H., Jonell, T.N., Seager, W.R.,
and Upchurch, G.R., 2017, Onset of the Laramide
orogeny and associated magmatism in southern New
Mexico based on U-Pb geochronology: Geological
Society of America Bulletin, v. 129, p. 1209–1226,
doi:10.1130/B31629.1.
[6] Schaen, A.J. et al., 2020, Interpreting and reporting
40Ar/39Ar geochronologic data: GSA Bulletin, v.
133, p. 461–487, doi:10.1130/B35560.1.
[7] Heizler, M.T., Lux, D.R., and Decker, E.R., 1988,
The age and cooling history of the Chain of Ponds
and Big Island Pond plutons and the Spider Lake
granite, west-central Maine and Quebec: American
Journal of Science 288(9), p. 925–952
[8] McLemore, V.T., Munroe, E.A., Heizler, M.T., and
McKee, C., 1999, Geochemistry of the Copper Flat
porphyry and associated deposits in the Hillsboro
mining district, Sierra County, New Mexico, USA:
Journal of Geochemical Exploration, v. 67, p. 167–
189, doi:10.1016/S0375-6742(99)00072-2.
[9] McLemore, V.T., 2017, Mining Districts and
Prospect Areas in New Mexico: New Mexico Bureau
of Geology and Mineral Resources, Resource Map 17
[10] Hedlund, D.C., 1980, Geologic map of the Redrock
NE quadrangle, Grant County, New Mexico: United
States Geological Survey Miscellaneous Field Studies
Map 1264
[11] McDowell, F.W., 1971, K-Ar ages of igneous rocks
from the western United States: Isochron/West,
p. 1–16.
[12] Lawton, T.F., Basabilvazo, G.T., Hodgson, S.A.,
Wilson, D.A., Mack, G.A., McIntosh, W.C., Lucas,
S.G., and Kietzke, K.K., 1993, Laramide stratigraphy
of the Little Hatchet Mountains, southwestern New
Mexico: New Mexico Geology, v. 15, geoinfo.nmt.edu
/publications/periodicals/nmg/15/n1/nmg_v15_n1_
p9.pdf (accessed August 2022)
[13] McLemore, V.T., 1998, Insights into origin of car-
bonate-hosted Ag and Pb-Zn replacement depos-
its in the Black Range, Sierra and Grant Counties,
New Mexico (abs.): New Mexico Geological Society,
Spring Meeting Program New Mexico Geology, v.
20, p.
[14] McLemore, V.T., Peters, L., and Heizler, M.T., 2000,
40Ar/39Ar Geochronology of Igneous Rocks in the
Lordsburg District, Northern Pyramid Mountains,
Hidalgo County, New Mexico, in 51st Annual
Fall Field Conference Guidebook, New Mexico
Geological Society, p. 6–8.
[15] McLemore, V.T., McIntosh, M.C., and Pease, T.C.,
1995, 40Ar/39Ar age determinations of four plutons
associated with mineral deposits in southwestern New
Mexico: New Mexico Bureau of Mines and Mineral
Resources Open File Report 410, geoinfo.nmt.edu
/publications/openfile/downloads/400-499/410
/ofr_410.pdf (accessed August 2022).
[16] McLemore, V.T., Donahue, K.M., Breese, M.,
Jackson, M.L., Arbuckle, J., and Jones, G., 2001,
Mineral Resource Assessment of Luna County, New
Mexico: New Mexico Bureau of Geology and Mineral
Resources Open File Report 459, geoinfo.nmt.edu
/publications/openfile/downloads/400-499/459
/OFR-459.pdf (accessed June 2022).
[17] Leonard, M.L., 1982, The geology of the Tres
Hermanas Mountains, Luna County, New Mexico
[M.S. thesis]: University of Texas at El Paso, 105 p.,
www.proquest.com/docview/303268376 (accessed
August 2022).
[18] Hoggatt, W.C., Silberman, M.L., and Todd, V.R.,
1977, K-Ar ages of intrusive rocks of the central
Peloncillo Mountains, Hidalgo County, New Mexico:
Isochron/West, v. 19, p. 3.
was partially funded by the USGS Earth MRI Cooperative
Agreement No. G23AC00054-00 as a subcontract with
the Arizona Geological Survey and student grants from
the NMGS and New Mexico Tech Brightstar Scholarship.
Thanks to Dr. Matt Heizler and the rest of the NMGRL for
ongoing help with sample preparation and geochronology
analysis. Additional thanks to Dr. McLemore’s Economic
Geology Group.
REFERENCES
[1] Sillitoe, R.H., 2010, Porphyry Copper Systems:
Economic Geology, v. 105, p. 3–41, doi:10.2113/
gsecongeo.105.1.3.
[2] Leveille, R.A., and Stegen, R.J., 2012, The
Southwestern North America Porphyry Copper
Province: Society of Economic Geologists Special
Publication 16, p. 361–401, doi:10.5382/SP.16.15.
[3] McLemore, V.T., 2008, Potential for Laramide por-
phyry copper deposits in southwestern New Mexico,
in 59th Annual Fall Field Conference Guidebook,
New Mexico Geological Society.
[4] McMillan, N.J., 2004, Magmatic Record of Laramide
Subduction and the Transition to Tertiary Extension:
Upper Cretaceous through Eocene Igneous Rocks
of New Mexico, in New Mexico Geological Society
Special Publication 11,.
[5] Amato, J.M., Mack, G.H., Jonell, T.N., Seager, W.R.,
and Upchurch, G.R., 2017, Onset of the Laramide
orogeny and associated magmatism in southern New
Mexico based on U-Pb geochronology: Geological
Society of America Bulletin, v. 129, p. 1209–1226,
doi:10.1130/B31629.1.
[6] Schaen, A.J. et al., 2020, Interpreting and reporting
40Ar/39Ar geochronologic data: GSA Bulletin, v.
133, p. 461–487, doi:10.1130/B35560.1.
[7] Heizler, M.T., Lux, D.R., and Decker, E.R., 1988,
The age and cooling history of the Chain of Ponds
and Big Island Pond plutons and the Spider Lake
granite, west-central Maine and Quebec: American
Journal of Science 288(9), p. 925–952
[8] McLemore, V.T., Munroe, E.A., Heizler, M.T., and
McKee, C., 1999, Geochemistry of the Copper Flat
porphyry and associated deposits in the Hillsboro
mining district, Sierra County, New Mexico, USA:
Journal of Geochemical Exploration, v. 67, p. 167–
189, doi:10.1016/S0375-6742(99)00072-2.
[9] McLemore, V.T., 2017, Mining Districts and
Prospect Areas in New Mexico: New Mexico Bureau
of Geology and Mineral Resources, Resource Map 17
[10] Hedlund, D.C., 1980, Geologic map of the Redrock
NE quadrangle, Grant County, New Mexico: United
States Geological Survey Miscellaneous Field Studies
Map 1264
[11] McDowell, F.W., 1971, K-Ar ages of igneous rocks
from the western United States: Isochron/West,
p. 1–16.
[12] Lawton, T.F., Basabilvazo, G.T., Hodgson, S.A.,
Wilson, D.A., Mack, G.A., McIntosh, W.C., Lucas,
S.G., and Kietzke, K.K., 1993, Laramide stratigraphy
of the Little Hatchet Mountains, southwestern New
Mexico: New Mexico Geology, v. 15, geoinfo.nmt.edu
/publications/periodicals/nmg/15/n1/nmg_v15_n1_
p9.pdf (accessed August 2022)
[13] McLemore, V.T., 1998, Insights into origin of car-
bonate-hosted Ag and Pb-Zn replacement depos-
its in the Black Range, Sierra and Grant Counties,
New Mexico (abs.): New Mexico Geological Society,
Spring Meeting Program New Mexico Geology, v.
20, p.
[14] McLemore, V.T., Peters, L., and Heizler, M.T., 2000,
40Ar/39Ar Geochronology of Igneous Rocks in the
Lordsburg District, Northern Pyramid Mountains,
Hidalgo County, New Mexico, in 51st Annual
Fall Field Conference Guidebook, New Mexico
Geological Society, p. 6–8.
[15] McLemore, V.T., McIntosh, M.C., and Pease, T.C.,
1995, 40Ar/39Ar age determinations of four plutons
associated with mineral deposits in southwestern New
Mexico: New Mexico Bureau of Mines and Mineral
Resources Open File Report 410, geoinfo.nmt.edu
/publications/openfile/downloads/400-499/410
/ofr_410.pdf (accessed August 2022).
[16] McLemore, V.T., Donahue, K.M., Breese, M.,
Jackson, M.L., Arbuckle, J., and Jones, G., 2001,
Mineral Resource Assessment of Luna County, New
Mexico: New Mexico Bureau of Geology and Mineral
Resources Open File Report 459, geoinfo.nmt.edu
/publications/openfile/downloads/400-499/459
/OFR-459.pdf (accessed June 2022).
[17] Leonard, M.L., 1982, The geology of the Tres
Hermanas Mountains, Luna County, New Mexico
[M.S. thesis]: University of Texas at El Paso, 105 p.,
www.proquest.com/docview/303268376 (accessed
August 2022).
[18] Hoggatt, W.C., Silberman, M.L., and Todd, V.R.,
1977, K-Ar ages of intrusive rocks of the central
Peloncillo Mountains, Hidalgo County, New Mexico:
Isochron/West, v. 19, p. 3.