Biographic Sketch
Gary H. Girty

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Supervised Senior Theses

1. Meier, D.B., 1988, The geochronologic age of the Harper Creek gneiss, Cuyamaca-Laguna Mountains shear zone, San Diego County, California.

2. Legarre, H.A., 1988, Geochemistry of basaltic inclusions, Sierra City melange: Evidence for pre-Upper Devonian oceanic crust.

3. Hutson, M.W., 1988, Geology of the SE San Felipe Hills.

4. Stroh, R.C., 1990, Evidence for an Ordovician to Late Devonian angular unconformity between the Shoo Fly Complex and the Sierra Buttes Formation, northwestern Sierra Nevada, California.

5. Keller, A.M., 1990, Sedimentology and stratigraphy of the Penned Lake facies of the Grizzly Formation, northern Sierra Nevada, California: Part II: San Diego State University, San Diego, California.

6. Franklin, K.R., 1990, Sedimentology and stratigraphy of the Penned Lake facies of the Grizzly Formation, northern Sierra Nevada, California: Part I.

7. Gurrola, L.D., 1990, Sedimentological characteristics of metamorphosed sandstones in the Lang sequence, northern Sierra Nevada, California: San Diego State University, San Diego, California.

8. Thomson, C., 1991, Structural relations and metamorphic petrology of a small portion of the Sacatone Spring roof pendant, southern California.

9. Bracchi, K.A., 1991, Syn-plutonic Jurassic dikes in the Shoo Fly Complex, northern Sierra Nevada, California.

10. Skinnner, J.E., 1992, Geochemical, geochronological, and petrological characteristics of the quartz monzonite unit of the Emigrant Gap composite pluton, northern Sierra Nevada, California.

11. Bryan, K.A., 1992, Geochemical and petrological characteristics of the Emigrant Gap composite pluton, north of Grouse Ridge Lookout, northern Sierra Nevada, California.

12. Yoshinobu, A.S., 1992, Dynamothermal intrusion-related metamorphism in the aureole of the shallowly emplaced (<3kbar) Emigrant Gap composite pluton, northern Sierra Nevada, California.

13. Schar, T., 1993, Provenance of Triassic pelitic schist determined by rare earth element, Th, and Sc analyses, Peninsular Ranges, southern California.

14. Ward, K.L., 1993, The McMurray Lake unit, Shoo Fly Complex, northern Sierra Nevada, California: Geochemical evidence for a continental provenance: San Diego State University, San Diego, California.

15. Carmichael, D.L., 1994, Cretaceous extensional deformation of the Cuyamaca Reservoir gneiss within the Scove Canyon segment of the Cuyamaca-Laguna Mountains shear zone (CLMSZ), Peninsular Ranges, California.

16. Netto, S.P., 1994, Petrography, geochemistry, and structural geology of the Pine Valley granodiorite within the Scove Canyon segment of the Cuyamaca-Laguna Mountains shear zone, Peninsular Ranges, California.

17. Pubentz, M.W., 1994, Petrographical and geochemical characteristics within the central portion of the Middle Jurassic Emigrant Gap composite pluton, Sierra Nevada, California.

18. Lewis, J.G., 1994, Provenance determinations by geochemical methods, lower Paleozoic Shoo Fly Complex, northern Sierra Nevada, California.

19. Mongano, G.S., 1994, Erroneous contact between the two-pyroxene diorite through granodiorite and hornblende-biotite granodiorite units of the Emigrant Gap pluton corrected through detailed mapping, petrography, and geochemistry.

20. Matusiak, M.R., 1994, Geochemical and petrological characteristics within the southeastern portion of the Emigrant Gap composite pluton, northern Sierra Nevada, California.

21. Sanders, J.C., Jr., 1995, Assessing element mobility/immobility patterns in a high level contact metamorphic aureole: Part I. Major elements.

22. Ash, J.W., 1995, Assessing element mobility/immobility patterns in a high level contact metamorphic aureole: Part II. Trace elements.

23. Waite, R.A., 1995, Assessing element mobility/immobility patterns in a high level contact metamorphic aureole: Part III. Rare earth elements.

24. Hanson, W.E., 1995, Assessing element mobility/immobility patterns in a high level contact metamorphic aureole: The residual model.

25. Stephenson, E., 1995, Geochemistry and depositional setting of the Carboniferous Peale Formation, Haystack Mountain area, Sierra Nevada, California.

26. Peterson, M.M., 1995, Polyphase deformation of an early Paleozoic seamount.

27. Doyle, W.T., 1995, Reconnaissance geochemistry of the Early Jurassic Sailor Canyon Formation: Implications for paleotectonic setting and the use of trace element provenance-discrimination diagrams.

28. Lindholm, T.P., 1995, Assessing the role of element mobility within the structural aureole of the La Posta pluton, Peninsular Ranges, southern California.

29. Pfanner, J., 1995, Geochemistry and lithostratigraphy of the Carboniferous Peale Formation, Haystack Mountain area, Sierra Nevada, California.

30. Burke, T., 1996, The petrologically and chemically-based provenance-discrimination models: Do they yield internally consistent results when applied to sandstone turbidites?

31. Fortin, A., 1996, Do the QFL and chemical-based provenance-discrimination models yield internally consistent results when applied to sandstone turbidites and associated mudstones?

32. Garrison, K.M., 1996, Estimating and power for the Student's-t test: Implications for calculating mass changes in contact metamorphic aureoles - Part I: Major and some trace elements.

33. Bradbury, L. M., 1996, Estimating and power for the Student's-t test: Implications for calculating mass changes in contact metamorphic aureoles - Part II: Rare earth and some trace elements

34. Coughlin, K.E., 1997, Quantifying rock density variation across a mylonitic/nonmylonitic boundary, Scove Canyon segment, Cuyamaca Laguna Mountains shear zone, Peninsular Ranges, California.

35. Crow, L., 1997, Analyzing mass change in the Wepawaug Schist, Connecticut, and the power of the Student's t test: an assessment of the accuracy and reliability of the Matlab program SACD.

36. Gallarano, C.S., 1997, Assessing  and the power of the Student’s t test: Implications for elemental mass change during the Barrovian metamorphism of the Devonian Littleton Formation, New Hampshire.

37. Reish, N.E., 1997, Stress Analysis 98, A Visual Basic 5 Program for Analyzing Stress: A Tutorial Approach.

38. Heitman, B.A., 1998, The bootstrap method for determining confidence level intervals of compositional data: A Visual Basic 6 program with graphical user interface.

39. Jeffers, P., 1998, Determing confidence intervals for compositional data from point count analysis of thin sections and slabs: The Student’s t versus the bootstrap.

40. Kellerman, B.A., 1998, Point counting scanned chemically-stained slabs and thin sections: Are results statistically similar?

41. Rutan, C.A., 1998, Data sheets for Borax FirebrakeZB: A Visual Basic 6 SQL program.

42. Morrison, H.A., 1999, Simple Shear 98, An intuitive graphical approach for understanding simple shear transformations.

43. Wright, T., 2000, Pyroclastic eruptions and their products: A Flash tutorial.

44. DeGaitas, P., 2000, Using Flash to visual the construction of topographic maps.

45. Rector, D., 2000, Conjugate fault systems in the San Felipe Hills: Implications for the subsurface extension of the Clark fault.

46. Verdugo, E., 2001, Are chemical changes observed in La Posta Soil Profile #2 statistically significant?

47. Warkentin, D., 2001, The bootstrap technique: Estimating bulk mass change during development of La Posta Soil profiles #2 and #3.

48. Hutak, Joel, 2001, Geochemical analysis of La Posta Profile #3: Implications for the weathering of plagioclase in an arid climate.

49. McConnell, J., 2001, Is there sufficient moisture available in an arid climate for the degradation and removal of plagioclase?

50. McCloskey, J., 2001, Petrological analysis of La Posta Profile #2, Evidence for dissolution and removal of plagioclase.

51. Strandberg, R., 2001, Are chemical changes observed in La Posta soil profile #3 statistically significant?

52. Johnson, R., 2001, Chemical analysis of La Posta profile #2, Peninsular Ranges, southern California, 26 p.

53. Prince, G., 2001, Evaluation of textural, mineralogical, and chemical changes accompanying weathering of a granodiorite in a Mediterranean (hot summer) climate.

54. Alford, D.E., 2002, Petrogenesis of a weathering profile: How do chemical data from the new XRF facility at SDSU compare to data provided by an established analytical facility?

55. Gunter, A., 2002, What are the La Posta Series oils: paleosol or Mollisol?

56. Dressler, D.L., III, 2002, Precision and accuracy of major element XRF data, GeoChemistry Laboratory, San Diego State University.

57. DeRisi, P.J., 2002, Assessing the precision and accuracy of trace element analysis in the GeoChemical Laboratory, San Diego State University.

58. Strandberg, W.R., 2002, Are chemical changes observed in La Posta soil profile #3 statistically significant?

59. Gasca, C., 2003, The Petrographic and chemical characteristics of metosomatically altered Oligocene Quechan Volcanics.

60. Rowland-Smith, Andrea, 2003, Field, petrographic, and chemical characteristics of the Oligocene Quechan Volcanics.

61. Gray, R., 2003, Petrography and geochemistry of the rhyolite of Rojo Grande, lower Colorado River, SE California.

62. Nielson, J., 2004, Structural geology of Picacho State Recreation Area (PSRA): Implications for the transfer of Baja California to the Pacific plate.

63. Lovering, K., 2004, Petrology, chemistry, and emplacement mechanism of the Marcus Wash trachyte, Picacho State Recreation Area, SE California.

64. Campbell, K., 2004, The Rojo Grande trachyte, Picacho State Recreation Area, SE California: Its chemistry, petrology, and structure.

65. Baumwirt, D., 2005, Structural geometry of Tertiary gavels within the Taylor Lake fault zone: Implications for the timing of Miocene distributed shear.

66. Smith, M., 2005, Assessing correlation of Marcus Wash trachyte across the Taylor Lake fault zone, Picacho State Recreation area.

67. Vandagriff, J., 2005, Using Quicktime and Macromedia Director to develop a 3D virtual tour of a breached anticline.

68. Castaneda, F., 2005, Origin of E-W trending faults, Picacho State Recreation Area: Implications for the Tertiary evolution of Picacho State Recreation Area.

69. Coughlin, K., 2006, Quantifying rock density variation across a mylonitic/nonmylonitic boundary, Scove Canyon segment, Cuyamaca Laguna Mountains shear zone, Peninsular Ranges, California.

70. Johnson, S., 2006, Petrology and geochemistry of mafic enclaves, Oriflamme Canyon granodiorite: Magma mixing or assimilation?

71. Campbell, C., 2006, Provenance and tectonic implications of greenstone clasts in Eocene (?) gravels, Picacho State Recreation Area, SE California.

72. Hartung, H., 2006, The Little Picacho Wash formation and the timing of exposure of the Winterhaven Formation, Picacho State Recreation Area, southern California.

73. Bearor, C., 2006, Petrological and chemical trends associated with the development of corestone and saprolite, Santa Margarita Ecological Reserve, Temecula, California.

74. Rinehart, J., 2006, Significance of geochemical signatures in the interpretation of groundwater quality of a landfill.

75. Biggs, M., 2006, The ignimbrite of Ferguson Wash and the Taylor Lake fault system: Key temporal markers in the tectonic evolution of the lower Colorado River region.

76. Martinez, C., 2006, Mineralogical and textural changes accommodating the production of saprolite from a dioritic corestone in a Mediterranean climate, Peninsular Ranges, southern California.

77. Koons, B., 2006, Petrographical, chemical, and grain size analysis of Santa Margarita River sand bar deposits.

78. Earl, C., 2008, Three dimensional elemental mass transfer during development of saprolite from corestone: Santa Margarita Ecological Reserve, Temecula, California

79. Hebeler, A.K., 2008, The Clark segment San Jacinto fault zone, southern California: Evaluating the chemical and physical properties of fault core and damage zone for the affects of chemical weathering

80. Muela, K.K., 2009, Stratigraphy and structure of the Miocene Bear Canyon conglomerate, Imperial County, SE California: Evidence for the episodic growth of the Chocolate Mountains anticlinorium

81. Velasco, N., 2009, Bulk and elemental mass change in development of Gabbroic corestone and saprolite near the Elsinore Fault

82. Lee, J., 2010, Bulk and elemental mass change in the development of granitic corestone and saprock near the Elsinore fault.

83. Gordon, E., 2011, Metamorphic alteration of the Jurassic metavolcanic member, Winterhaven Formation, SE California: Implications for classification and interpreting tectonic setting.

84. Pelbath, T., 2011, Using texture and geochemical data to assess the stratigraphic relationships between the Marcus Wash and Rojo Grande units, Picacho State Recreation Area, SE California.

85. Errthum, R., 2011, The rare earth element characteristics of the Rojo Grande and White Wash units, Picacho State Recreation Area, SE California.

86. Carrasco, T., 2012, Geometry and morphology of cracks in saprock: implications for ground shaking.

87. Purcell, J., 2012, Physical and chemical properties of the Winterhaven Metavolanic member: Implications for igneous petrogenesis.

88. Parizek, J.R., 2012, A comparison of the Toorongo weathering profile, south Australia, and weathered regolith at Santa Margarita Ecological Reserve: Comparing weathering inensity factors derived from non-central principal component analysis.

89. Norton, A., 2012, Calibrating the onset of weathering in saprock: An initial step.

90. Rockwell, B., 2013, Clay mineralogy and alteration intensity factors derived from linear compositional trends, NE Block, Clark segment, San Jacinto fault zone, southern California, USA.

91. Gebhart, K., 2013, Quantifying REE mass changes accompanying the conversion of corestone to saprock, southern California, USA: implications for using the REE to determine source rock characteristics of clastic sediments and sedimentary rocks.

92. Thomas, D., 2013, Structural architecture of the termination of the Power Line fault, San Felipe Hills, southern California: A geometric and clay mineral analysis.

93. Lovelace, F.D., 2013, First study of corestone-saprock development within NE-block San Jacinto fault zone, Anza, California: Implications for the genesis of clastic sediment derived from granodiorite-quartz monzodiorite.

94. Wright, D.S.E., 2013, Using sieving to deconstruct the regolith: a first attempt.

95. Peppard, D., 2014, Assessing elemental mass changes across the northern imbricate of the Copper Basin fault, SE California.

96. Seitz, N., 2014, Physical properties and clay mineralogy of the nothern imbricate, Copper Basin fault, SE California

97. Hall, C., 2015, Geometrical analysis of a complex fold-fold fabric, Ocotillo Wells State Vehicular Area

98. Brown, J., 2016, Fault zone architecture near the SE termination of the Powerline fault, Imperial County, California

99. Vierra, E., 2017, Spheroidal weathering of an 108 Ma Cretaceous gabbro

100. Pham, J., 2017, 3D evidence for the biotite to vermiculite conversion controlling spheroidal weathering at Santa Margarita Ecological Reserve, Peninsular Ranges, southern California, U.S.A.

101. Bermudez, M., 2018, The Pleistocene Bautista Formation and the San Jacinto fault: Setting the stage for future studies

102. Flynn, B., 2018, The Pleistocene Bautista Formation: Geochemistry and clay mineralogy

103. Goldstein, A., 2018, Assessing the presence of pulverization textures along the Buck ridge fault, NE of Anza, California