Late thermal evolution of proterozoic rocks in the northeastern Llano Uplift, central Texas

Precambrian Research

Volumn 94, Issue 1-2, 1999, Pages 49-72

  Rougvie, J R ^a   Carlson, W D ^a   Copeland, P ^b   Connelly, J N ^a  

^a UNIVERSITY OF TEXAS AT AUSTIN   (United States)

^b UNIVERSITY OF HOUSTON   (United States)

Author keywords

Cooling; Geochronology; Llano Uplift; Metamorphism; Proterozoic

Indexed keywords

METAMORPHISM; P-T CONDITIONS; PROTEROZOIC; UPLIFT;

UNITED STATES;

EID: 0033102606     PISSN: 03019268     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0301-9268(98)00103-X     Document Type: Article

References (60)

1. Barnes, V.E., 1981. Geologic atlas of Texas-Llano sheet. University of Texas, Bur. of Econ. Geol., Austin, Texas, Scale: 1:250 000
2. Bebout G.E., Carlson W.D. Fluid evolution and transport during metamorphism: evidence from the Llano uplift, Texas. Contrib. Mineral. Petrol. 92:1986;518-529.
3. Billings G.K. A geochemical investigation of the Valley Spring Gneiss and the Packsaddle schist, Llano uplift, Texas. Tex. J. Sci. 14:1962;328-351.
4. Bland, K., 1991. Crystallization pathway of the Katemcy granite, Llano uplift, central Texas. M.A. Thesis, University of Texas, Austin, TX. 129 pp.
5. Carlson, W.D., in press. Petrologic constraints on the tectonic evolution of the Llano Uplift. In: Gilbert, M.C., Hogan, J.P. (Eds), Basement Tectonics 12, 3-27. Kluwer Academic Press, Dordrecht.
6. Carlson W.D., Johnson C.D. Coronal reaction textures in garnet amphibolites of the Llano uplift. Am. Mineral. 76:1991;756-772.
7. Carlson W.D., Nelis M.K. An occurrence of staurolite in the Llano uplift, central Texas. Am. Mineral. 71:1986;682-685.
8. Carlson W.D., Reese J.F. Nearly pure iron staurolite in the Llano Uplift and its petrological significance. Am. Mineral. 79:1994;154-160.
9. Carlson W.D., Schwarze E.T. Petrologic significance of prograde homogenization of growth zoning in garnet: an example from the Llano Uplift. J. Metamorphic Geol. 15:1997;631-644.
10. Carter K.E. Grenville orogenic affinities in the Red Mountain area, Llano County, Texas. Can. J. Earth Sci. 26:1989;1124-1135.
11. Clayton R.N., Mayeda T.K. The use of bromine pentafluoride in the extraction of oxygen from oxides and silicates for isotopic analysis. Geochim. Cosmochim. Acta. 27:1963;43-52.
12. Dalrymple G.B. Critical tables for conversion of K-Ar ages from old to new constants. Geology. 7:1979;555-560.
13. Davidow, J.S., 1996. Proterozoic evolution of the Llano Uplift, central Texas: evidence for high-pressure metamorphism from the Oxford mafic body. M.A. Thesis, University of Texas, Austin, TX, 172 pp.
14. Dodson M.H. Closure temperature in cooling geochronological and petrological systems. Contrib. Mineral. Petrol. 40:1973;259-274.
15. Droddy, M.J. Jr 1978. Metamorphic rocks of the Fly Gap Quadrangle, Mason County, Texas, Ph.D. dissertation, University of Texas, Austin, TX, 179 pp.
16. Garrison J.R., Long L.E., Richmann D.L. Rb-Sr and K-Ar geochronologic and isotopic studies, Llano Uplift, central Texas. Contrib. Mineral. Petrol. 69:1979;361-374.
17. Giletti B.J. Rb and Sr diffusion in alkali feldspars, with implications for cooling histories of rocks. Geochim. Cosmochim. Acta. 55:1991;1331-1343.
18. Hames W.E., Bowring S.A. An empirical evaluation of the argon diffusion geometry in muscovite. Earth Planet. Sci. Lett. 124:1994;161-167.
19. 40Ar in hornblende Contrib. Mineral. Petrol. 78:1981;324-331.
20. Harrison T.M., McDougall I. Investigations of an intrusive contact, northwest Nelson, New Zealand - I. Thermal, chronological and isotopic constraints. Geochim. Cosmochim. Acta. 44:1980;1985-2003.
21. 39Ar age spectra and closure temperature Geochim. Cosmochim. Acta. 50:1986;247-253.
22. 40Ar in biotite: temperature, pressure, and compositional effects Geochim. Cosmochim. Acta. 49:1985;2461-2468.
23. Heaman, L., Parrish, R., 1991. U-Pb geochronology of accessory minerals. In: Heaman, L., Ludden, J.N. (Eds.), Applications of Radiogenic Isotope Systems to Problems in Geology, Short Course Handbook 19. Mineralogical Association of Canada, Toronto, pp. 59-102.
24. Helper M.A., Gose W.A., Roback R.C. Virtual geomagnetic pole positions from 1.1 Ga intrusive rocks of the Llano Uplift, central Texas. Geol. Soc. Am. Abstr. Programs. 28:1996;18.
25. 238U Phys. Rev. C Nucl. Phys. 4:1971;1889-1906.
26. Jenkin G.R.T., Rogers G., Fallick A.E., Farrow C.M. Rb-Sr closure temperatures in bi-mineralic rocks: a mode effect and test for different diffusion models. Chem. Geol. 122:1995;227-240.
27. 39Ar investigation of the contact effects of a dyke intrusion, Kapusasing Structural Zone, Ontario Contrib. Mineral. Petrol. 105:1990;87-105.
28. Letargo C.M.R., Lamb W.M. Granite emplacement pressures and metamorphism in the Llano Uplift of central Texas. Geol. Soc. Am. Abstr. Programs. 23:1991;446.
29. Letargo C.M.R., Lamb W.M. P-T-X conditions of calc-silicate formation: evidence from fluid inclusions and phase equilibria: Llano Uplift, central Texas, USA. J. Met. Geol. 11:1993;89-100.
30. Letargo C.M.R., Park J.S., Lamb W.M. Comparision of calcite+dolomite thermometry and carbonate+silicate equilibria: constraints on the conditions of metamorphism of the Llano uplift, central Texas, USA. Am. Min. 80:1995;131-143.
31. 39Ar recoil artifacts in chloritized biotite Geochim. Cosmochim. Acta. 53:1989;2697-2711.
32. Ludwig, K.R., 1989. Isoplot for MS-DOS: a plotting and regression program for radiogenic-isotope data, for IBM-PC compatible computers. United States Geological Survey Open-File Report 88-557.
33. McGehee, R.V., 1979. Precambrian Rocks of the Southeastern Llano Region, Texas. University of Texas Bur. Econ. Geol. Circ. 793.
34. Mezger K., Rawnsley C.M., Bohlen S.R., Hanson G.N. U-Pb garnet, sphene, monazite, and rutile ages; implications for the duration of high-grade metamorphism and cooling histories, Adirondack Mountains, New York. J. Geol. 99:1991;415-428.
35. Mosher, S., 1993. Western extensions of Grenville-age rocks: Texas. In: Reed, J.C., Bickford, M.E., Houston, R.S., Link, P.K., Rankin, D.W., Sims, P.K., Van Schmus, W.R. (Eds), The Geology of North America, C-2, The Precambrian: Conterminous. U.S. Geological Society of America Boulder, CO, pp. 365-378.
36. Mosher, S., 1995. Geology of the eastern Llano uplift. In: Mosher, S. (Ed.), Guide to the Precambrian Geology of the Eastern Llano Uplift, Central, Texas; Field trip guide for the Geologic Society of America 30th Annual South-central Section Meeting, Austin, TX, Spring 1996. Department of Geological Sciences, University of Texas, Austin, TX, p. 3-7.
37. Mosher, S., 1995. Geology of the eastern Llano uplift. In: Mosher, S. (Ed.), Guide to the Precambrian Geology of the Eastern Llano Uplift, Central, Texas; Field trip guide for the Geologic Society of America 30th Annual South-central Section Meeting, Austin, TX, Spring 1996. Department of Geological Sciences, University of Texas, Austin, TX, p. 3-7.
38. Mutis-Duplat, E., 1972. Stratigraphic sequence and structure of Precambrian metamorphic rocks in Purdy Hill Quadrangle, Mason County, Texas. Ph.D. dissertation, University of Texas, Austin, TX.
39. Nelis M.K., Mosher S., Carlson W.D. Grenville-age orogeny in the Llano uplift of central Texas: deformation and metamorphism of the rough Ridge Formation. Geol. Soc. Am. Bull. 101:1989;876-883.
40. äger, 1976.
41. Purdy, J.W., Jäger, E., 1976. K-Ar ages on rock forming minerals from the central Alps. Mem. 1st Geol. Min. University of Padova, Padova, Italy.
42. Reed R.M. Emplacement and deformation of late syn-orogenic to post-orogenic granites in the Grenvillian Llano Uplift, central Texas: A preliminary report. Geol. Soc. Am. Abstr. Programs. 28:1996;59.
43. Reed, R.M., Roback, R.C., Helper, M.A., 1995. Nature and age of ductile deformation associated with the `anorogenic' Town Mountain Granite, Llano Uplift, central Texas. Abs. Int. Conf. Basement Tectonics, Norman, OK, vol. 12, p. 68.
44. Reese, J.F., 1995. Structural evolution and geochronology of the southeastern Llano Uplift, central Texas. Ph.D. Dissertation, University of Texas, Austin, TX.
45. Reese J.F., Roback R.C., Walker N.W. Reworked pre-Grenville crust and the timing of Grenville orogenesis in the southeastern Llano Uplift, Texas: results from U-Pb geochronology. Geol. Soc. Am. Abstr. Programs. 24:1992;92.
46. Roback R.C. Mesoproterozoic polyetamorphism and magmatism in the Llano Uplift, central Texas. Geol. Soc. Am. Abstr. Programs. 28:1996;376.
47. Roback R.C. Characterization and tectonic evolution of a Mesoproterozoic island arc in the southern Grenville Orogen, Llano uplift, central Texas. Tectonophysics. 265:1996;29-52.
48. Roback R.C., Mosher S., Carlson W.D. Evolution of the ∼1.3 Ga Coal Greek island-arc terrane, Llano Uplift, central Texas. Geol. Soc. Am. Abstr. Programs. 26:1994;405.
49. Robbins, G.A., 1972. Radiogenic argon diffusion in muscovite under hydrothermal conditions. M.Sc. Thesis, Brown, University, Providence, RI.
50. 39Ar geochronology of eruptions between two caldera-forming events Geol. Soc. Am. Bull. 12:1996;1549-1566.
51. Stacey J.S., Kramers J.D. Approximation of terrestrial lead isotope evolution by a two-stage model. Earth Planet. Sci. Let. 26:1975;207-221.
52. äger, 1977.
53. Steiger R.H., Jäger E. Subcommission on geochronology: convention on the use of decay constants in geo- and cosmochronology. Earth Planet. Sci. Lett. 36:1977;359-362.
54. Stenzel H.B. Pre-Cambrian of the Llano Uplift, Texas. Geol. Soc. Am. Bull. 43:1932;143-144.
55. 39Ar ages and cosmic ray exposure ages of Apollo 14 samples Earth Planet. Sci. Lett. 12:1971;19-35.
56. Villa I.M., Groberty B., Kelley S.P., Trigila R., Wieler R. Assessing Ar transport paths and mechanisms in the McClure Mountains hornblende. Contrib. Mineral. Petrol. 126:1996;67-80.
57. Walker N. Middle Proterozoic geologic evolution of Llano uplift, Texas: evidence from U-Pb zircon geochronometry. Geol. Soc. Am. Bull. 104:1992;494-504.
58. Wilkerson A., Carlson W.D., Smith D. High-pressure metamorphism during the Llano orogeny inferred from Proterozoic eclogite remnants. Geology. 16:1988;391-394.
59. Zartman R.E. A geochronologic study of the Lone Grove Pluton from the Llano Uplift, Texas. J. Petrol. 5:1964;359-408.
60. Zartman R.E. Rubidium-strontium age of some metamorphic rocks from the Llano Uplift, Texas. J. Petrol. 6:1965;28-36.