Biographic Sketch
Gary H. Girty

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Supervised MS theses

1. D.N. Reiland, 1984, Provenance, sedimentology and structural setting of the Silurian Elder Sandstone of the Roberts Mountains allochthon in north-central Nevada: University of Kansas, Lawrence, Kansas, 91 p.

2. L.E. Coffman, 1986, Deformation and metamorphic history of a Proterozoic terrane in northern Cochetopa Creek, Gunnison County, Colorado: University of Kansas, Lawrence, Kansas, 64 p. (with honors).

3. C.H. Pardini, 1986, Petrological and structural analysis of the Sierra City melange, northern Sierra Nevada, California: San Diego State University, San Diego, California, 87 p.

4. G.W. Taylor, 1986, Structural, sedimentological, and petrological setting of the Lang-Halstead sequence and Duncan Peak chert, lower Shoo Fly Complex, northern Sierra Nevada, California: San Diego State University, San Diego, California, 110 p.

5. E.S. Feragen, 1986, Geology of the southeastern San Felipe Hills, Imperial Valley, California: With emphasis on the geometry of structural fabrics in the Borrego Formation: San Diego State University, San Diego, California, 129 p.

6. S.D. Pincus, 1986, Composition of Holocene sand derived from the Peninsular Ranges, southern California: Implications for provenance-discrimination diagrams and Cretaceous tectonics: San Diego State University, San Diego, California, 77 p.

7. J. Turner, 1986, Geochemistry and petrology of metabasalts in the Bullpen Lake sequence, northern Sierra Nevada, California: A test of a working hypothesis: San Diego State University, San Diego, California, 100 p.

8. B. Mossman, 1986, Composition of Holocene sand derived from metasedimentary, metavolcanic, and plutonic rock of the Peninsular Ranges, southern California: Implications for provenance-discrimination models: San Diego State University, San Diego, California, 80 p.

9. M.A. Willian, 1986, Composition of sandstones in the Upper Cretaceous Lusardi and Cabrillo formations, Peninsular Ranges, southern California: San Diego State University, San Diego, California, 75 p.

10. K. Gester, 1987, Sedimentology and depositional environment of sandstones in the Red Hill and Poison Canyon formations, northern Sierra Nevada, California: San Diego State University, San Diego, California, 220 p.

11. D. Wells, 1987, Tectonic significance of folds and faults in a part of the Plio-Pleistocene Borrego Formation, Imperial Valley, California: San Diego State University, San Diego, California, 130 p.

12. Armitage, 1989, Holocene Colorado River sand: An example of mixed-provenance sand derived from multiple tectonic elements of the Cordilleran continental margin: San Diego State University, San Diego, California, 150 p.

13. Nuffer, 1989, Compositional variation of Holocene sand deposited in a transtensional rift system, Salton basin, California: San Diego State University, San Diego, California, 95 p.

14. Sentianin, 1989, Sandstone petrology of the Pliocene-Pleistocene Borrego Formation: Implications for the Pliocene-Pleistocene development of the Salton Trough: San Diego State University, San Diego, California, 80 p.

15. R. Leeson, 1989, Tectonic significance of structural fabrics in the Harper Creek gneiss, Cuyamaca-Laguna Mountains shear zone, Peninsular Ranges, California: San Diego State University, San Diego, California, 130 p.

16. L. Guthrie, 1990, Composition of pre-Holocene sandstones in the Salton trough, California: a test of the Winker-Kidwell model: San Diego State University, San Diego, California, 167 p.

17. N. Nielsen, 1990, Recognition of mylonitic detritus in sand and sandstones, Salton basin, California: San Diego State University, San Diego, California, 103 p.

18. M. J. Richards, 1990, Shoo Fly Complex, Lake Spaulding area, northern Sierra Nevada, California: an early Paleozoic accretionary complex: San Diego State University, San Diego, California, 78 p.

19. B. A. McNulty, 1990, Polyphase deformation of the lower Paleozoic Lang sequence, northern Sierra Nevada, California: San Diego State University, San Diego, California, 76 p.

20. S. Marshall, 1991, Compositional variation of Holocene sand, Salton Basin, California: A test of the Basu-Suttner-Dutta climatic model for compositional variations in sand and sandstone: San Diego State University, San Diego, California, 112 p.

21. M. Wracher, 1991, Deformation in the Shoo Fly Complex: The role of the Emigrant Gap composite pluton: San Diego State University, San Diego, California, 105 p.

22. R.W. Barber, 1992, Rare earth element analyses of cherts from the lower Paleozoic Shoo Fly Complex, northern Sierra Nevada, California: San Diego State University, San Diego, California, 121 p.

23. K. A. Bracchi, 1993, Spatial, temporal, structural, petrographical, and geochemical relations between the Harper Creek gneiss and the Oriflamme Canyon unit, CLMSZ, Peninsular Ranges, southern California: San Diego State University, San Diego, California, 148 p.

24. M. E. Flanagan, 1993, Climatically dependent compositional changes of Holocene sand-sized grus derived from a granodioritic pluton, Peninsular Ranges, California: San Diego State University, San Diego, California 120 p.

25. D. Hanson., 1993, Tectonic implications of REE, Th, and Sc analyses of Paleozoic and possible Paleozoic metasedimentary rocks, northern and central Sierra Nevada, California: San Diego State University, San Diego, California, 81 p.

26. R. K. Al-Riyami, 1993, Petrographic, rare earth, trace, and major element analyses of chert-argillite units in the Bullpen Lake sequence, Sierra Nevada, California: San Diego State University, San Diego, California, 129 p.

27. C.N. Thomson, 1994, Tectonic implications of Jurassic magmatism and Early Cretaceous mylonitic deformation, Cuyamaca-Laguna Mountains shear zone, southern California: San Diego State University, San Diego, California, 89 p.

28. J. Miller, 1994, Geochemistry, geochronology, and structure of the Harper Creek and Cuyamaca Reservoir gneisses along the western margin of the Cuyamaca-Laguna Mountains shear zone, Pine Valley, California: San Diego State University, San Diego, California, 103 p.

29. C. Hill, 1994, The petrology and geochemistry of the Middle Jurassic Black Buttes quartz monzodiorite, Sierra Nevada: San Diego State University, San Diego, California, 46 p.

30. J. Skinner, 1994, Aluminum-in-hornblende barometry, amphibole-plagioclase thermometry, geochemistry, and petrology of the Middle Jurassic Emigrant Gap composite pluton: San Diego State University, San Diego, California, 149 p.

31. A.S. Yoshinobu, 1994, Quantitative relation of structural and geochemical studies to the emplacement mechanisms of shallow crustal granitoid magmas: San Diego State University, San Diego, California, 64 p.

32. A.A. Cardenas, 1995, The use of major, trace and rare earth elements in assessing differences between meta-mudstones, Nopah Range, southeastern California, and pelitic schists, central Sierra Nevada, California: San Diego State University, San Diego, California, 118 p.

33. G. Murray, 1995, Provenance of the amphibolite-grade Triassic Julian Schist determined from REE, Th, and Sc analyses, Peninsular Ranges, California: San Diego State University, San Diego, California, 122 p.

34. T.A. Wirths, 1995, Geochemistry of lower to middle Paleozoic magmatic arc material, northern Sierra Nevada, California: San Diego State University, San Diego, California, 88 p.

35. T.P. Schar, 1995, Statistical analysis of compositional and volumetrical changes due to contact metamorphism of argillites in the Shoo Fly Complex, northern Sierra Nevada, California, 149 p.

36. J. Lawrence, 1996, Geochemical data are consistent with a non-North American source for siliclastic detritus in the lower Paleozoic Shoo Fly Complex, northern Sierra Nevada, California: San Diego State University, San Diego, California, 120 p.

37. M. Peterson, 1997, Statistical analysis of elemental mass change and volume loss in argillites of the Shoo Fly Complex: Implications for quartz solubility and water to rock ratios, San Diego State University, 132 p.

38. J.S. Culotta, 1998, Assessing mass and volume changes in the Julian Schist, eastern San Diego County: Implications for pluton emplacement, San Diego State University, 143 p.

39. M. Binkin, 1998, A probabilistic approach for assessing rock mass and volume change: Implication for the development of the Scove Canyon shear zone, Peninsular Ranges, southern California, San Diego State University, 90 p.

40. T.W. Burke, 1998, A holistic approach to evaluating the source rocks for meta-sandstones in the Shoo Fly Complex (SFC), California, San Diego State University, 77 p.

41. S. Howell, 1998, A 3-D view of the Middle Jurassic Emigrant Gap composite pluton, northern Sierra Nevada, California: Implications for pluton emplacement mechanisms, San Diego State University, 99 p.

42. H.H. Van Wyngaarden, 1998, Textural, mineralogical, and chemical changes associated with contact metamorphism of older plutonic rocks: Observations from the Cibbets Flat pluton, Peninsular Ranges, California, San Diego State University, 67 p.

43. J.C. Sanders, Jr., 1998, Wallrock mass and volume change during emplacement of the Middle Jurassic Emigrant Gap composite pluton, Sierra Nevada, California, 71 p.

44. SacramentoGrilo, 1998, Chemostratigraphy of bedded chert in the Peale Formation, northern Sierra Nevada, California: Implications for the transition from the Antler to the Sonoman orogenic events, 92 p.

45. H. Warren, 1999, The Carboniferous Peale Chert: A case study for determining depositional settings of chert-argillite units within complex metamorphic terranes, 83 p.

46. Fortin, 2000, Weathering of the large biotite facies, La Posta pluton, Peninsular Ranges, California: Assessing chemical and textural changes, 69 p.

47. J. Lewis, 2000, Geochemical characterization and tectonic implications of the Early to Middle Jurassic Sailor Canyon Formation, northern Sierra Nevada, California, 75 p..

48. N. Reish, 2000, Visualizing Stress and Strain: Visual Basic 6 programs for introductory structural geology classes, 129 p.

49. R. Mitchell, 2000, Does the chemistry of first cycle plutoniclastic alluvium reflect bedrock sources or weathering profiles? 65 p.

50. D. Carmichael, 2001, Estimates of mass and volume change for Jurassic Cuyamaca Reservoir gneiss within the aureole of the Cretaceous La Posta plutons, Peninsular Ranges batholith, California, 159 p.

51. B. Heitman, 2002, Characteristics of the structural fabric developed at the termination of a major wrench fault, 77 p.

52. E. R. Lilly, 2003, Structural geology of a transitory left step in San Felipe Hills fault, 91 p.

53. J. Marsh, 2003, Petrologic and geochemical evidence for an Early to Middle Jurassic extensional magmatic arc, southeastern California, 77 p.

54. D. Rector, 2004, Using Flash MX to develop scientific and educational content: Classifying the igneous rocks series, 170 p.

55. C. Carrick, 2004, La Posta series soils: A petrological, chemical, and statistical analysis of their development in arid and Mediterranean microclimates, 71 p.

56. D. Stephenson, 2006, The structure, petrology, and chemistry of the Orocopia Schist, Picacho State Recreation Area, California, 94 p,

57. J. Ebson, 2006, Chemical and physical characteristics of grus in different microclimatic zones, Peninsular Ranges, California, 57 p.

58. A. Canfield, 2006, Petrology, chemistry, and provenance of the lower member of the Miocene Bear Canyon conglomerate, Picacho State Recreation Area, southeastern California, 40 p.

59. S.L. Johnson, 2008, Physical, petrological, and chemical trends associated with the conversion of K-feldspar-absent quartz dioritic and tonalitic corestones to saprolite in a Meditteranean climate, Santa Margarita Ecological Reserve (SMER), southern California, U.S.A., 53 p.

60. M.A. Biggs, 2008, Miocene volcanic rocks and conglomerates, SE California: Evidence for Neogene reactivation of the Chocolate Mountains anticlinorium, 22 p.

61. C.D. Campbell, 2008, Identification of a new class of deformation bands, 136 p.

62. J.W. Ricketts, 2010, Miocence growth of a depression in the axis of the Chocolate Mountains anticlinorium recorded by the Bear Canyon conglomerate, SE California, 37 p.

63. J. Sainsbury, 2010, Timing of extension, north-south shortening, and conjugate strike-slip faulting in the evolution of the Chocolate Mountains anticlinorium: Evidence from the Gavilan Hills, southeast California, 42 p.

64. C. Bethel-Thompson, 2010, The Rattlesnake Valley and Oriflamme Canyon plutons: key temporal markers in the Jurassic and Cretaceous development of the transition zone of the Peninsular Ranges batholith, 47 p.

65. B. R. Page, 2010, Assessing the statistical significance of mass and volume changes in the development of saprock from corestone near the Elsinore fault zone, San Diego County, California: potential implications for ground shaking events, 53 p.

66. L.A. Sutton, 2010, The Copper Basin fault, a newly recognized reverse fault in the lower Colorado River region, SE California: Implications for Miocene-Pliocene N-S shortening within the the Eastern California Shear Zone, 42 p.

67. H. Olson, 2010, The early Miocene Quechan volcanics, SE California, U.S.A.: slab-window or contiental-margin arc volcanics? 56 p.

68. K. K. Muela, 2011, Timing and style of Miocene deformation, Indian Pass and Piacacho State Recreation Area, SE California, 44 p.

69. C.T. Replogle, 2011, Corestone and saprock development in a zone of precariously balanced rocks, Peninsular Ranges, southern California: Speculations on the effects of ground shaking during earthquakes, 67 p.

70. N. Morton, 2011, Fault zone architecture of the San Jacinto fault zone in Horse Canyon, southern California: Implications for focused fluid flow during rupture at shallow crustal levels, 71 p.

71. Z. Rayburn, 2011, Assessing mass change during the transformation of K-feldspar poor tonalitic corestone to saprock: implications for the general model of the weathering of granitoids, 68 p.

72. M. Maroun, 2011, Saprock: a long-term recorder of ground shaking events, southern California, 47 p.

73. T.A. Colby, 2012, Determination of volume loss and element mobility patterns associated with the development of the Copper Basin fault, Picacho State Recreation Area, SE California, USA, 52 p.

74. D. Pelikan, 2012, Fault zone architectue of the San Jacinto fault zone in Blackburn Canyon: Evidence for high volumetric dilational strains developed within an extensional step over at shallow crustal depths, 57 p.

75. E. Voyles, 2012, Assessing weathering intensity factors derived from sandy debrs flow and sheet flood deposits of the Neogene Bear Canyon conglomerate, SE California, USA, 66 p.

76. J. Parizek, 2013, Assessing volumetric strains and mass balance relationships resulting from biotite-controlled weathering: implications for the isovolumetric weathering of the Boulder Creek Granodiorite, Boulder County, Colorado, USA, 86 p.

77. R. Errthum, 2013, Recognizing polygenetic regolith and the effects of translocated clays on saprock mass balance, REE, and A-CN-K linear compositional trends, Santa Margarita Ecological Reserve, Peninsular Ranges, southern California, USA, 55 p.

78. T.L. Carrasco, 2014, Identifying a reference frame for calculating mass changes during weathering: a review and case study utlizing the C# program Assessing Element Immobility, 48 p.

79. B. Rockwell, 2014, Petrological and Geochemical Evidence for Polygenetic Development of Regolith at Santa Margarita Ecological Reserve, Southern California, USA

80. J. Purcell, 2014, Chemical alteration of granodioritic-tonalitic saprock and mixed plutoniclastifc/metamorhicalstic alluvium: exploring the use of sieving to enhance compositional linear trends

81. B. Denton, 2014, Modeling Plane Strain (MPS), An Interactive C# Program

82. H. Webb, 2015, Residual regolith derived from biotite-controlled weathering of Cretaceous tonalite-quartz diorite, Peninsular Ranges, southern California, USA: A case study

83. A. Heath, 2015, Effects of illuviation on the petrology and chemistry of tonalitic saprock

84. T. Zeidan, 2015, Compositional linear modeling, non-central principal component analysis, omega and relative variation curves: using higher dimensional space to unravel elemental mass redistribution patterns within the regolith

85. M. Azevedo, 2016, The unmasking of a Cretaceous steady state weathering regime, Point Loma Formation, southwestern California, U.S.A.

86. D. Peppard, 2017, Shallow level pulverization found within a dismembered positive flower structure, San Jacinto fault, southern California, USA

87. A. Picasso, 2016, Weathering of an 108 Ma Cretaceous gabbro: a case study of unusual elemental mass redistributions

88. C. Hall, 2017, Precariously balanced rocks (PRBs): a first attempt to establish their textural, physical, and chemical properties, Roundtop, SE California

89. E. Vierro, 2019, Characterizing mineralogical and textural changes within the SW damage zone of the Buck Ridge fault, southern California

IN PROGRESS

90. J. Brown, 2019, Fold and fault fabric within the Ocotillo Wells step over: an updated 1:6000 scale map

91. M. Einbund, 2019, First documentation of gibbsite at Santa Margarita Ecological Reserve, southern California

92. M. Bermudez, 2020, Rejuvenation of the A horizon through mixing of spalled fresh sand from exposed coretones, La Posta Series soils, southern California

93. B. Flynn, 2020, Petrology, geochemistry, and clay mineralogy of the sandstones within the Bautista Beds NW of Hog Lake, southern California

94. E. Surratt, 2020, Using RockJock to assess mineralogical changes across the fault core of the Clark segment, SE of Wellman Ranch, southern California