Controls on the erosion and geomorphic evolution of the San Bernardino and San Gabriel Mountains, southern California

Special Paper of the Geological Society of America

Volumn 365, Issue , 2002, Pages 205-230

  Spotila, James A ^a   House, Martha A ^b   Blythe, Ann E ^c   Niemi, Nathan A ^d,e   Bank, Gregory C ^a,f  

^a VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY   (United States)

^b CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^c UNIVERSITY OF SOUTHERN CALIFORNIA   (United States)

^d CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^e MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

^f Advanced Resources International Inc   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BOUNDARY CONDITIONS; LANDFORMS; STRIKE-SLIP FAULTS; TOPOGRAPHY;

ACTIVE STRUCTURES; GEOMORPHIC EVOLUTION; GEOMORPHIC EXPRESSION; INDEPENDENT VARIABLES; MEAN ANNUAL PRECIPITATION; SAN ANDREAS FAULT; SOUTHERN CALIFORNIA; SPATIAL ARRANGEMENTS;

EROSION;

BEDROCK; BOUNDARY CONDITION; DEFORMATION MECHANISM; ERODIBILITY; EXHUMATION; GEOMORPHOLOGICAL RESPONSE; LITHOSTRATIGRAPHY; MIOCENE; PETROGRAPHY; THERMOCHRONOLOGY; TOPOGRAPHY;

CALIFORNIA; COAST RANGES; SAN BERNARDINO MOUNTAINS; SAN GABRIEL MOUNTAINS; TRANSVERSE RANGES; UNITED STATES;

EID: 84870917162     PISSN: 00721077     EISSN: None     Source Type: Book Series    
DOI: 10.1130/0-8137-2365-5.205     Document Type: Article

References (105)

1. Ahnert, F., 1970, A comparison of theoretical slope models with slopes in the field: Zeitschrift fur Geomorphologie Supplement Bd., v. 9, p. 88-101.
2. Albright, B., 1999, Magnetostratigraphy and biochronology of the San Timoteo Badlands, southern California, with implications for local Pliocene-Pleistocene tectonic and depositional patterns: Geological Society of America Bulletin, v. 111, p. 1265-1293.
3. Allen, C.R., 1957, San Andreas fault zone in San Gorgonio Pass, southern California, Geological Society of America Bulletin, v. 68, p. 315-350.
4. Andrews, J.T., 1972, Glacier power, mass balances, velocities, and erosion potential: Zeitschrift fur Geomorphologie N.F., Supplement Bd., v. 13, p. 1-17.
5. Atwater, T., 1970, Implications of plate tectonics for the Cenozoic tectonic evolution of western North America, Geological Society of America Bulletin, v. 81, p. 3513-3536.
6. Axelrod, D.I., 1950, Evolution of desert vegetation in western North America, in Studies in late Tertiary Paleobotany: Carnegie Institute Washington Publication, v. 590, p. 215-306.
7. Baird, A.K., Morton, D.M., Woodford, A.O., and Baird, K.W., 1974, Transverse Ranges Province: A unique structural-petrochemical belt across the San Andreas fault system: Geological Society of America Bulletin, v. 85, p. 163-174.
8. Baldwin, J.A., Whipple, K.X., and Tucker, G.E., 2002, Implications of the shear-stress river incision model for the timescale of postorogenic decay of topography: Journal of Geophysical Research (in press).
9. Barth, A.P., Wooden, J.L., Tosdal, R.M., and Morrison, J., 1995, Crustal contamination in the petrogenesis of a calc-alkaline rock series: Josephine Mountain intrusion, California: Geological Society of America Bulletin, v. 107, p. 201-212.
10. Beaumont, C., Fullsack, P., and Hamilton, J., 1992, Erosional control of active compressional systems, in McClay, K.R., ed., Thrust tectonics: New York, Chapman Hall, p. 1-18.
11. Bierman, P., and Turner, J., 1995, 10Be and 26Al evidence for exceptionally low rates of Australian bedrock erosion and the likely existence of pre-Pleistocene landscapes: Quaternary Research, v. 44, p. 378-382. (Pubitemid 26442400)
12. Blythe, A.E., Burbank, D.W., Farley, K.A., and Fielding, E.J., 2000, Structural and topographic evolution of the central Transverse Ranges, California, from apatite fission-track (U-Th)/He and digital elevation model analyses: Basin Research, v. 12, p. 97-114.
13. Bortugno, E.J., and Spittler, T.E., 1986, Geologic map of the San Bernardino quadrangle, California, 1:250 000, California Division of Mines and Geology: Regional Geologic Map Series, Map No. 3A.
14. Brown, G., et al., 1976, Geology and ground water geology of Big Bear Valley: Association of Engineering Geologists, So. California Section, Annual Spring Field Trip Guidebook, p. 73-95.
15. Bull, W.B., 1991, Geomorphic Responses to Climate Change: London, Oxford University Press, 326 p.
16. Burbank, D.W., Leland, J., Fielding, E., Anderson, R.S., Brozovic, N., Reid, M., and Duncan, C., 1996, Bedrock incision, rock uplift and threshold hillslopes in the northwestern Himalayas: Nature, v. 379, p. 505-510.
17. Cooke, R.U., 1984, Geomorphological Hazards in Los Angeles: London, George Allen and Unwin, 206 p.
18. Crook, R., Jr., Allen, C.R., Kamb, B., Payne, C.M., and Proctor, R.J., 1987, Quaternary geology and seismic hazard of the Sierra Madre and associated faults, western San Gabriel Mountains, in Morton, D.M., and Yerkes, R.F., eds., Recent reverse faulting in the Transverse Ranges, California: U.S. Geological Survey Professional Paper 1339, p. 27-63.
19. Crowell, J.C., 1982, The tectonics of the Ridge Basin, southern California, in Crowell, J.C., and Link, M.H., eds., Geologic history of the Ridge Basin, southern California, Pacific Section: Society of Economic Paleontologists and Mineralogists, p. 25-42.
20. Davis, W.M., 1899, The geographical cycle: Geographical Journal, v. 14, p. 481-504.
21. DeMets, C., 1995, Reappraisal of seafloor spreading lineations in the Gulf of California: Implications for the transfer of Baja California to the Pacific Plate and estimates of Pacific-North America motion: Geophysical Research Letter, v. 22, p. 3545-3548. (Pubitemid 26462242)
22. Densmore, A.L., Anderson, R.L., McAdoo, B.G., and Ellis, M.A., 1997, Hillslope evolution by bedrock landslides: Science, v. 275, p. 369-372.
23. Department of Commerce, 1993a, Climatological data annual summary: California, 97: 13, NOAA, Department of Commerce.
24. Department of Commerce, 1993b, Hourly precipitation data: California, v. 38-43, NOAA, National Climatic Data Center, National Environmental Data and Information Service, Department of Commerce.
25. Dibblee, T.W., 1975, Late Quaternary uplift of the San Bernardino Mountains on the San Andreas and related faults, in Crowell, J.C., ed., San Andreas fault in southern California: California Division of Mines Geology Special Report, 118, p. 127-135.
26. Dibblee, T.W., 1982a, Geology of the San Gabriel Mountains, southern California, in Fife, D.L., and Minch, J.A., eds., Geology and Mineral Wealth of the California Transverse Ranges: Santa Ana, California, South Coast Geological Society, p. 131-147.
27. Dibblee, T.W., 1982b, Geology of the San Bernardino Mountains, southern California, in Fife, D.L., and Minch, J.A., eds., Geology and Mineral Wealth of the California Transverse Ranges: Santa Ana, California, South Coast Geological Society, p. 148-169.
28. Dibblee, T.W., 1987, Geology of the Devil's Punchbowl, Los Angeles County, California: Geological Society of America Centennial Field Guide, Cordilleran Section, p. 207-210.
29. Dickinson, W.R., 1996, Kinematics of transrotational tectonism in the California Transverse Ranges and its contribution to cumulative slip along the San Andreas transform fault system: Boulder, Colorado, Geological Society of America Special Paper 305, 46 p.
30. Dillon, J.T., and Ehlig, P.L., 1993, Displacement on the southern San Andreas fault, in Powell, R.E., et al., eds., The San Andreas fault system: Displacement, palinspastic reconstruction, and geologic evolution: Boulder, Colorado, Geological Society of America Memoir 178, p. 199-216. (Pubitemid 23394778)
31. Dolan, J.F., Jordon, F., Rasmussen, G., Stevens, D., Reeder,W., and McFadden, L.M., 1996, Evidence for probable moderate-sized (Mw 6.5-7.0) paleoearthquake on the Cucamonga fault, northwestern Los Angeles metropolitan region, California: (abstract), Eos (Transactions, American Geophysical Union), v. 77, Fall Meeting Supplement F461.
32. Eden, M.J., 1971, Some aspects of weathering and landform formation in Guyana (formerly British Guiana): Zeitschrift fur Geomorphologie, v. 15, p. 181-198.
33. Edmond, J.M., Palmer, M.R., Measures, C.I., Grant, B., and Stallard, R.F., 1995, The fluvial geochemistry and denudation rate of the Guayana Shield in Venezuela, Columbia, and Brazil: Geochimica et Cosmochimica Acta, v. 59, p. 3301-3325. (Pubitemid 26435768)
34. Ehlert, K.W., 1989, Postmiddle Miocene offset of the mint Canyon and Caliente Formations along the San Andreas and San Gabriel faults: South Coast Geological Society, p. 151-167.
35. Ehlig, P.L., 1981, Original and tectonic history of the basement terrane of the San Gabriel Mountains, central Transverse Ranges, in Ernst, W.G., ed., The geotectonic development of California (Rubey Volume I): Englewood Cliffs, New Jersey, Prentice Hall, p. 254-283.
36. Farley, K.A., 2000, Helium diffusion from apatite: General behavior as illustrated by Durango fluorapatite: Journal of Geophysical Research, v. 105, p. 2903-2914.
37. Hack, J.T., 1960, Interpretation of erosional topography in humid temperate regions: American Journal of Science, v. 258-A, p. 80-97.
38. Hack, J.T., 1982, Physiographic divisions and differential uplift in the Piedmont and Blue Ridge: U.S. Geological Survey Professional Paper 1265, 49 p.
39. Hancock, G.D., Anderson, R.S., and Whipple, K.X., 1999, Beyond Power: Bedrock incision process and form, in Tinkler, K.J., and Wohl, E.E., eds., Rivers Over Rock: Fluvial Processes in Bedrock Channel: Washington, D.C., American Geophysical Union, p. 35-60.
40. House, M.A., and Blythe, A.E., 2000, Evidence for spatially complex late Cenozoic uplift and exhumation of the eastern San Gabriel Mountains from (U-Th)/He thermochronometry [abstract]: Southern California Earthquake Center Annual Meeting, Oxnard, California, September, 2000.
41. Hovius, N., Stark, C., and Allen, P., 1997, Sediment flux from a mountain belt derived by landslide mapping: Geology, v. 25, p. 231-234.
42. Humphreys, E.D., and Hager, B.H., 1990, A kinematic model for the late Cenozoic development of southern California crust and upper mantle: Journal of Geophysical Research, v. 95, p. 19 747-19 762.
43. Ingersoll, R.V., and Rumelhart, P.E., 1999, Three stage evolution of the Los Angeles basin, southern California: Geology, v. 27, p. 593-596.
44. Jacobs, S.E., 1982, Geology of a part of the upper Santa Ana River Valley, San Bernardino Mountains, San Bernardino County, California [M.S. thesis]: Los Angeles, California, California State University, 107 p.
45. Jacobson, C.E., 1983, Structural geology of the Pelona Schist and Vincent thrust, San Gabriel Mountains, California: Geological Society of America Bulletin, v. 94, p. 753-767.
46. Jennings, C.W., and Strand, R.G., 1969, Geologic map of California, Los Angeles sheet: California Division of Mines and Geology.
47. Kohler, M.D., 1999, Lithospheric deformation beneath the San Gabriel Mountains in the southern California Transverse Ranges: Journal of Geophysical Research, v. 104, p. 15025-15 041.
48. Koons, P., 1995, Modeling the topographic evolution of collisional belts: Annual Rev. Earth Planetary Sciences, v. 23, p. 375-408.
49. Lifton, N.A., and Chase, C.G., 1992, Tectonic, climatic and lithologic influences on landscape fractal dimension and hypsometry: Implications for landscape evolution in the San Gabriel Mountains, California: Geomorphology, v. 5, p. 77-114. (Pubitemid 23371846)
50. Mabbutt, J.A., 1965, The weathered land surface in Central Australia: Zeitschrift fur Geomorphologie, v. 9:1, p. 82-114.
51. Mahaffie, M.J., 1985, Implications of fission-track thermochronology for the tectonic evolution of the eastern San Gabriel Mountains, California [M.S. thesis]: Louisiana State University, 49 p.
52. Mancktelow, N., and Grasemann, B., 1997, Time-dependent effects of heat advection and topography on cooling histories during erosion: Tectonophysics, v. 270, p. 167-195.
53. Masek, J.G., Isacks, B.L., Gubbels, T.L., and Fielding, E.J., 1994, Erosion and tectonics at the margins of continental plateaus: Journal of Geophysical Research, v. 99, p. 13941-13 956.
54. Matti, J.C., and Morton, D.M., 1993, Paleogeographic evolution of the San Andreas fault in southern California: A reconstruction based on a new cross-fault correlation, in Powell, R.E., et al., eds., The San Andreas fault system: Displacement, palinspastic reconstruction, and geologic evolution: Boulder, Colorado, Geological Society of America Memoir 178, p. 107-159. (Pubitemid 23394776)
55. May, S.R., and Repenning, C.A., 1982, New evidence for the age of the Old Woman sandstone, Mojave Desert, California, in Cooper, J.D., ed., Geologic excursions in the Transverse Ranges: Anaheim, California, Geological Society of America Cordilleran Section Meeting Guidebook, v. 78, p. 93-96.
56. Meisling, K.E., and Weldon, R.J., 1989, Late Cenozoic tectonics of the northwestern San Bernardino Mountains, southern California: Geological Society of America Bulletin, v. 101, p. 106-128.
57. Mendenhall, W.C., 1907, Two mountain ranges in southern California (abstract): Geological Society of America Bulletin, v. 18, p. 660-661.
58. Minnich, R.A., 1986, Snow levels and amounts in the mountains of southern California: Journal of Hydrology, v. 89, p. 37-58.
59. Minnich, R.A., 1989, Climate, fire and landslides in southern California, in Sadler, P.M., and Morton, D.M., eds., Landslides in a Semi-Arid Environment: Publications of the Inland Geological Society, v. 2, p. 91-100.
60. Morton, D.M., 1975, Synopsis of the geology in the eastern San Gabriel Mountains, southern California, in Crowell, J.C., ed., San Andreas fault in southern California: California Division of Mines Geology Special Report 118, p. 170-176.
61. Morton, D.M., and Matti, J.C., 1993, Extension and contraction within anevolving divergent strike-slip fault complex: The San Andreas and San Jacinto fault zones at their convergence in southern California, in Powell, R.E., et al., eds., The San Andreas fault system: Displacement, palinspastic reconstruction, and geologic evolution: Boulder, Colorado, Geological Society of America Memoir 178, p. 217-230. (Pubitemid 23394779)
62. Nagy, E.A., and Stock, J.M., 2000, Structural controls on the continent-ocean transition in the northern Gulf of California: Journal of Geophysical Research, v. 105, p. 16251-16 270.
63. Neville, S.L., and Chambers, J.M., 1982, Late Miocene alkaline volcanism, northeastern San Bernardino Mountains and adjacent Mojave Desert, in Cooper, J.D., ed., Geologic excursions in the Transverse Ranges: Fullerton, California, Geological Society of America Annual Meeting Guidebook, California State University, p. 103-106.
64. Oberlander, T.M., 1972, Morphogenesis of granitic boulder slopes in the Mojave Desert, California: Journal of Geology, v. 80, p. 1-20.
65. Ollier, C.D., 1975, Weathering: London, Longman Group Limited, 304 p.
66. Paterson, W.S.B., 1994, The Physics of Glaciers: Oxford, UK, Elsevier, 480 p.
67. Pavich, M.J., 1986, Processes and rates of saprolite production and erosion on a foliated granitic rock of the Virginia Piedmont, in Colman, S.M., and Dethier, D.P., eds., Rates of ChemicalWeathering of Rocks and Minerals: Academic Press Inc., p. 552-590.
68. Pinet, P, and Souriau, M., 1988, Continental erosion and large-scale relief: Tectonics, v. 7, p. 563-582.
69. Powell, R.E., 1982, Prebatholithic terranes in the crystalline basement complex of the Transverse Ranges, southern California: Geological Society of America Abstracts with Programs, v. 14, no. 4, 225 p.
70. Powell, R.E., 1993, Balanced palinspastic reconstruction of prelate Cenozoic paleogeology, southern California: Geologic and kinematic constraints on evolution of the San Andreas fault system, in Powell, R.E., et al., eds., The San Andreas fault system: Displacement, palinspastic reconstruction, and geologic evolution: Boulder, Colorado, Geological Society of America Memoir 178, p. 1-106. (Pubitemid 23394775)
71. Power, E.T., and Smith, B.J., 1994, A comparative study of deep weathering and weathering products: Case studies from Ireland, Corsica, and Southeast Brazil, in Robinson, D.A., and Williams, R.B.G., eds., Rock Weathering and Landform Evolution: John Wiley and Sons, p. 21-40.
72. Proctor, R.J., 1968, Geology of the upper Coachella Valley area, California: California Division of Mines and Geology Special Report 94, p. 8-43.
73. Reynolds, R.E., and Reeder, W.A., 1986, Age and fossil assemblages of the San Timoteo Formation, Riverside County, California, in Kooser, M.A., and Reynolds, R.E., eds., Geology Around the Margins of the Eastern San Bernardino Mountains: Redlands, California, Pub. Inland Geological Society, Inland Geological Society, v. 1, p. 51-56.
74. Rumelhart, P.E., and Ingersoll, R.V., 1997, Provenance of the upper Miocene Modelo Formation and subsidence analysis of the Los Angeles basin, southern California: Implications for paleotectonic and paleogeographic reconstructions: Geological Society of America Bulletin, v. 109, p. 885-899.
75. Ruxton, B.P., and Berry, L., 1957, Weathering of granite and associated erosional features in Hong Kong: Geological Society of America Bulletin, v. 68, p. 1263-1292.
76. Sadler, P.M., 1982, Provenance and structure of late Cenozoic sediments in the northeast San Bernardino Mountains, in Cooper, J.D., ed., Geologic excursions in the Transverse Ranges: Anaheim, California, Geological Society of America Cordilleran Section Meeting Guidebook 78, p. 83-91.
77. Sadler, P.M., 1993, The Santa Ana basin of the central San Bernardino Mountains: Evidence of the timing and uplift and strike-slip relative to the San Gabriel Mountains, in Powell, R.E., et al., eds., The San Andreas fault system: Displacement, palinspastic reconstruction, and geologic evolution: Boulder, Colorado, Geological Society of America Memoir 178, p. 307-322.
78. Sadler, P.M., and Reeder, W.A., 1983, Upper Cenozoic, quartzite-bearing gravels of the San Bernardino Mountains, southern California: Recycling and mixing as a result of transpressional uplift, in Anderson, D.W., and Rymer, M.J., eds., Tectonics and sedimentation along faults of the San Andreas system: Los Angeles, California, Society of Economic Paleontologists and Mineralogists, Pacific Section, p. 45-57.
79. Sadler, P.M., Demirer, A., West, D., and Hillenbrand, J.M., 1993, The Mill Creek basin, the Potato sandstone, and fault strands in the San Andreas fault south of the San Bernardino Mountains, in Powell, R.E., et al., eds., The San Andreas fault system: Displacement, palinspastic reconstruction, and geologic evolution: Boulder, Colorado, Geological Society of America Memoir 178, p. 289-306.
80. Saunders, I., and Young, A., 1983, Rates of surface processes on slopes, slope retreat, and denudation: Earth Surface Processes and Landforms, p. 473-501. (Pubitemid 14504719)
81. Schmidt, K., and Montgomery, D., 1995, Limits to relief: Science, v. 270, p. 617-620. (Pubitemid 26439962)
82. Schumm, S., 1963, Disparity between present rates of denudation and orogeny: U.S. Geological Survey Professional Paper 454-H, 13 p.
83. Spotila, J.A., 1999, The neotectonics of the San Bernardino Mountains and adjacent San Andreas fault: A case study of uplift associated with strikeslip fault systems [Ph.D. thesis]: Pasadena, California, California Institute of Technology, 378 p.
84. Spotila, J.A., and Sieh, K., 2000, Architecture of transpressional thrust faulting in the San Bernardino Mountains, southern California, from deformation of a deeply weathered surface: Tectonics, v. 19, p. 589-615. (Pubitemid 32296283)
85. Spotila, J.A., Farley, K.A., and Sieh, K., 1998, Uplift and erosion of the San Bernardino Mountains associated with transpression along the San Andreas fault, California, as constrained by radiogenic helium thermochronometry: Tectonics, v. 17, p. 360-378. (Pubitemid 28469744)
86. Spotila, J.A., Farley, K.A., Yule, J.D., and Reiners, P.W., 2001, Near-field transpressive deformation along the San Andreas fault zone in southern California, based on exhumation constrained by (U-Th)/He dating: Journal of Geophysical Research, v. 106, p. 30909-30 922.
87. Strahler, A.N., 1952, Hypsometric (area-altitude) analysis of erosional topography: Geological Society of America Bulletin, v. 63, p. 1117-1142.
88. Sylvester, A.G., 1988, Strike-slip faults: Geological Society of America Bulletin, v. 100, p. 1666-1703.
89. Teeuw, R.M., Thomas, M.F., and Thorp, M.B., 1994, Regolith and landscape development in the Koidu Basin of Sierra Leone, in Robinson, D.A., and Williams, R.B.G., eds., Rock Weathering and Landform Evolution, John Wiley and Sons, p. 303-320.
90. Tippet, J.M., and Kamp, P.J., 1995, Quantitative relationships between uplift and relief parameters for the Southern Alps, New Zealand, as determined by fission track analysis: Earth Surface Processes and Landforms, v. 20, p. 153-175.
91. Treiman, J., 1982, Age of upper Saugus Formation at Newhall, California, and implications as to the age of the Santa Susana Mountains, in Fife, D.L., and Minch, J.A., eds., Geology and mineral wealth of the California Transverse Ranges: Santa Ana, California, South Coast Geological Society, p. 330.
92. Vauchez, A., and Nicolas, A., 1991, Mountain building: Strike-parallel motion and mantle anisotropy: Tectonophysics, v. 185, p. 183-201.
93. Vaughan, F.W., 1922, Geology of the San Bernardino Mountains north of San Gorgonio Pass: University of California Publication in Geological Sciences, v. 13, p. 319-411.
94. Weigand, P.W., 1982, Middle Cenozoic volcanism of the western Transverse Ranges, in Fife, D.L., and Minch, J.A., eds., Geology and MineralWealth of the California Transverse Ranges: Santa Ana, California, South Coast Geological Society, p. 170-188.
95. Weiland, R., and Cloos, M., 1996, Pliocene-Pleistocene asymmetric unroofing of the Irian fold belt, Irian Jaya, Indonesia: Apatite fission track thermochronlogy: Geological Society of America Bulletin, v. 108, p. 1438-1449.
96. Weissel, J.K., and Seidl, M.A., 1997, Influence of rock strength properties on escarpment retreat across passive continental margins: Geology, v. 25, p. 631-634. (Pubitemid 127553119)
97. Weldon, R.J., Meisling, K.E., and Alexander, J., 1993, A speculative history of the San Andreas fault in the central Transverse Ranges, California, inPowell, R.E., et al., eds., The San Andreas fault system: Displacement, palinspastic reconstruction, and geologic evolution: Boulder, Colorado, Geological Society of America Memorial 178, p. 161-198. (Pubitemid 23394777)
98. Whipple, K., and Tucker, G., 1999, Dynamics of bedrock channels in active orogens: Implications for height limits of mountain ranges, landscape response timescales, and research needs: Journal of Geophysical Research, v. 104, p. 17661-17 674.
99. Willett, S., Beaumont, C., and Fullsack, P., 1993, Mechanical models for the tectonics of doubly vergent compressional orogens: Geology, v. 21, p. 371-374. (Pubitemid 23391242)
100. Willett, S.D., 1999, Orogeny and orography: The effects of erosion on the structure of mountain belts: Journal of Geophysical Research, v. 104, p. 28 957-28 981.
101. Williams, A.G., Ternan, L., and Kent, M., 1986, Some observations on the chemical weathering of the Dartmoor granite: Earth Surface Processes and Landforms, v. 11, p. 557-574.
102. Wolf, R.A., Farley, K.A., and Silver, L.T., 1996, Helium diffusion and low temperature thermochronometry of apatite: Geochimica et Cosmochimica Acta, v. 60, p. 4231-4240.
103. Woodburne, M.O., 1975, Cenozoic stratigraphy of the Transverse Ranges and adjacent areas, southern California: Boulder, Colorado, Geological Society of America Special Paper 162, 91 p.
104. Wright, T.L., 1991, Structural geology and tectonic evolution of the Los Angeles basin, California, in Biddle, K.T., ed., Active margin basins: American Association of Petroleum Geologists Memoir 52, p. 35-134.
105. Yule, J.D., and Sieh, K., 2002, Complexities of the San Andreas fault near San Gorgonio Pass: Implications for large earthquakes: Journal of Geophysical Research (in press).