Extension of Laramide magmatism in southwestern North America into Trans-Pecos Texas

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Extension of Laramide magmatism in southwestern North America into Trans-Pecos Texas. / Gilmer, A. K.; Kyle, J. R.; Connelly, J. N.; Mathur, R. D.; Henry, C. D.

In: Geology, Vol. 31, No. 5, 2003, p. 447-450.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Gilmer, AK, Kyle, JR, Connelly, JN, Mathur, RD & Henry, CD 2003, 'Extension of Laramide magmatism in southwestern North America into Trans-Pecos Texas', Geology, vol. 31, no. 5, pp. 447-450. https://doi.org/10.1130/0091-7613(2003)031<0447:EOLMIS>2.0.CO;2

APA

Gilmer, A. K., Kyle, J. R., Connelly, J. N., Mathur, R. D., & Henry, C. D. (2003). Extension of Laramide magmatism in southwestern North America into Trans-Pecos Texas. Geology, 31(5), 447-450. https://doi.org/10.1130/0091-7613(2003)031<0447:EOLMIS>2.0.CO;2

Vancouver

Gilmer AK, Kyle JR, Connelly JN, Mathur RD, Henry CD. Extension of Laramide magmatism in southwestern North America into Trans-Pecos Texas. Geology. 2003;31(5):447-450. https://doi.org/10.1130/0091-7613(2003)031<0447:EOLMIS>2.0.CO;2

Author

Gilmer, A. K. ; Kyle, J. R. ; Connelly, J. N. ; Mathur, R. D. ; Henry, C. D. / Extension of Laramide magmatism in southwestern North America into Trans-Pecos Texas. In: Geology. 2003 ; Vol. 31, No. 5. pp. 447-450.

Bibtex

@article{a0c3f3c162384f728b3c8302aeab9a92,
title = "Extension of Laramide magmatism in southwestern North America into Trans-Pecos Texas",
abstract = "The Red Hills intrusion hosts the easternmost porphyry copper-molybdenum system in southwestern North America and consists of quartz-sulfide stockwork veins in sericitized porphyritic quartz monzonite. Zircon U-Pb and molybdenite Re-Os analyses yield ages of 64.2 ± 0.2 Ma and 60.2 ± 0.3 Ma, respectively, indicating that the Red Hills intrusion and mineralization are distinctly older than all other Tertiary magmatism (48-17 Ma) in the Trans-Pecos region of Texas, including the nearby 32 Ma Chinati Mountains caldera. The Red Hills intrusive system is contemporaneous with and genetically related to other Laramide magmatic systems (75-54 Ma) that host porphyry copper deposits in Arizona, southwestern New Mexico, and northern Mexico. These results significantly extend the Laramide magmatic province eastward and suggest that Laramide subduction-related magmatism and deformation are coextensive over a broad area of southwestern North America.",
keywords = "Copper, Laramide, Magmatism, Porphyry, Texas, Trans-Pecos",
author = "Gilmer, {A. K.} and Kyle, {J. R.} and Connelly, {J. N.} and Mathur, {R. D.} and Henry, {C. D.}",
year = "2003",
doi = "10.1130/0091-7613(2003)031<0447:EOLMIS>2.0.CO;2",
language = "English",
volume = "31",
pages = "447--450",
journal = "Geology",
issn = "0091-7613",
publisher = "GeoScienceWorld",
number = "5",

}

RIS

TY - JOUR

T1 - Extension of Laramide magmatism in southwestern North America into Trans-Pecos Texas

AU - Gilmer, A. K.

AU - Kyle, J. R.

AU - Connelly, J. N.

AU - Mathur, R. D.

AU - Henry, C. D.

PY - 2003

Y1 - 2003

N2 - The Red Hills intrusion hosts the easternmost porphyry copper-molybdenum system in southwestern North America and consists of quartz-sulfide stockwork veins in sericitized porphyritic quartz monzonite. Zircon U-Pb and molybdenite Re-Os analyses yield ages of 64.2 ± 0.2 Ma and 60.2 ± 0.3 Ma, respectively, indicating that the Red Hills intrusion and mineralization are distinctly older than all other Tertiary magmatism (48-17 Ma) in the Trans-Pecos region of Texas, including the nearby 32 Ma Chinati Mountains caldera. The Red Hills intrusive system is contemporaneous with and genetically related to other Laramide magmatic systems (75-54 Ma) that host porphyry copper deposits in Arizona, southwestern New Mexico, and northern Mexico. These results significantly extend the Laramide magmatic province eastward and suggest that Laramide subduction-related magmatism and deformation are coextensive over a broad area of southwestern North America.

AB - The Red Hills intrusion hosts the easternmost porphyry copper-molybdenum system in southwestern North America and consists of quartz-sulfide stockwork veins in sericitized porphyritic quartz monzonite. Zircon U-Pb and molybdenite Re-Os analyses yield ages of 64.2 ± 0.2 Ma and 60.2 ± 0.3 Ma, respectively, indicating that the Red Hills intrusion and mineralization are distinctly older than all other Tertiary magmatism (48-17 Ma) in the Trans-Pecos region of Texas, including the nearby 32 Ma Chinati Mountains caldera. The Red Hills intrusive system is contemporaneous with and genetically related to other Laramide magmatic systems (75-54 Ma) that host porphyry copper deposits in Arizona, southwestern New Mexico, and northern Mexico. These results significantly extend the Laramide magmatic province eastward and suggest that Laramide subduction-related magmatism and deformation are coextensive over a broad area of southwestern North America.

KW - Copper

KW - Laramide

KW - Magmatism

KW - Porphyry

KW - Texas

KW - Trans-Pecos

U2 - 10.1130/0091-7613(2003)031<0447:EOLMIS>2.0.CO;2

DO - 10.1130/0091-7613(2003)031<0447:EOLMIS>2.0.CO;2

M3 - Journal article

AN - SCOPUS:0038321347

VL - 31

SP - 447

EP - 450

JO - Geology

JF - Geology

SN - 0091-7613

IS - 5

ER -

ID: 333880828