Cooling history of the northern Ford Ranges, Marie Byrd Land, West Anarctica

S. M. Richard, C. H. Smith, D. L. Kimbrough, Paul G Fitzgerald, B. P. Luyendyk, M. O. McWilliams

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

Thermochronologic data from the Fosdick, Philips and Chester mountains of Marie Byrd Land, West Antarctica, have been obtained through U-Pb analysis of monazite, 40Ar/39Ar analysis of hornblende, muscovite, biotite and K-feldspar, and apatite fission track methods. The observations indicate that the Fosdick and Chester mountains are part of a coherent block that was tilted ~20°S to the south during the exhumation of the Fosdick Metamorphic Complex (FMC), probably by movement along an east trending, north dipping, normal fault between the Fosdick and Phillips mountains. The Fosdick Mountains are not a Cordilleran-style metamorphic core complex, but the FMC provides a record of middle-crustal processes related to the rifting of New Zealand from Gondwana in the Late Cretaceous. -from Authors

Original languageEnglish (US)
Pages (from-to)837-857
Number of pages21
JournalTectonics
Volume13
Issue number4
StatePublished - 1994
Externally publishedYes

Fingerprint

Apatites
mountains
histories
Cooling
cooling
mountain
history
muscovite
New Zealand
biotite
monazite
Antarctic regions
apatites
dipping
hornblende
exhumation
Gondwana
normal fault
apatite
rifting

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics

Cite this

Richard, S. M., Smith, C. H., Kimbrough, D. L., Fitzgerald, P. G., Luyendyk, B. P., & McWilliams, M. O. (1994). Cooling history of the northern Ford Ranges, Marie Byrd Land, West Anarctica. Tectonics, 13(4), 837-857.

Cooling history of the northern Ford Ranges, Marie Byrd Land, West Anarctica. / Richard, S. M.; Smith, C. H.; Kimbrough, D. L.; Fitzgerald, Paul G; Luyendyk, B. P.; McWilliams, M. O.

In: Tectonics, Vol. 13, No. 4, 1994, p. 837-857.

Research output: Contribution to journalArticle

Richard, SM, Smith, CH, Kimbrough, DL, Fitzgerald, PG, Luyendyk, BP & McWilliams, MO 1994, 'Cooling history of the northern Ford Ranges, Marie Byrd Land, West Anarctica', Tectonics, vol. 13, no. 4, pp. 837-857.
Richard SM, Smith CH, Kimbrough DL, Fitzgerald PG, Luyendyk BP, McWilliams MO. Cooling history of the northern Ford Ranges, Marie Byrd Land, West Anarctica. Tectonics. 1994;13(4):837-857.
Richard, S. M. ; Smith, C. H. ; Kimbrough, D. L. ; Fitzgerald, Paul G ; Luyendyk, B. P. ; McWilliams, M. O. / Cooling history of the northern Ford Ranges, Marie Byrd Land, West Anarctica. In: Tectonics. 1994 ; Vol. 13, No. 4. pp. 837-857.
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