Silver, Leon T.

Combined from CaltechAUTHORS

• Silver, Leon T. (2022) Testimony before the Congressional Committee on Science and Technology. Subcommittee On Energy Research And Production
• Silver, L. T. and Williams, I. S., et el. (2017) Uranium in granites from the Southwestern United States: actinide parent-daughter systems, sites and mobilization. First year report
• Silver, Leon T. and Anderson, T. H., et el. (2015) Skylab-4 visual observations project: Geological features of southwestern North America
• Anderson, Thomas H. and Rodríguez-Castañeda, José Luis, et el. (2005) Jurassic rocks in Sonora, Mexico: Relations to the Mojave-Sonora megashear and its inferred northwestward extension; ISBN 9780813723938; The Mojave-Sonora Megashear Hypothesis: Development, Assessment, and Alternatives; 51-95; 10.1130/0-8137-2393-0.51
• Anderson, Thomas H. and Silver, Leon T. (2005) The Mojave-Sonora megashear — Field and analytical studies leading to the conception and evolution of the hypothesis; ISBN 9780813723938; The Mojave-Sonora Megashear Hypothesis: Development, Assessment, and Alternatives; 1-50; 10.1130/0-8137-2393-0.1
• Henry, Christopher D. and McDowell, Fred W., et el. (2003) Geology and geochronology of granitic batholith complex, Sinaloa, México: Implications for Cordilleran magmatism and tectonics; ISBN 9780813723747; Tectonic evolution of northwestern México and the Southwestern USA; 237-273; 10.1130/0-8137-2374-4.237
• Wolf, R. A. and Farley, K. A., et el. (1997) Assessment of (U-Th)/He thermochronometry: The low-temperature history of the San Jacinto mountains, California; Geology; Vol. 25; No. 1; 65-68; 10.1130/0091-7613(1997)025<0065:AOUTHT>2.3.CO;2
• Silver, Leon T. (1997) Isotopic mapping in the Peninsular Ranges Batholith; Abstracts with Programs - Geological Society of America; Vol. 29; No. 6; 69-69
• Farley, K. A. and Wolf, R. A., et el. (1996) The effects of long alpha-stopping distances on (U-Th)/He ages; Geochimica et Cosmochimica Acta; Vol. 60; No. 21; 4223-4229; 10.1016/S0016-7037(96)00193-7
• Wolf, R. A. and Farley, K. A., et el. (1996) Helium diffusion and low-temperature thermochronometry of apatite; Geochimica et Cosmochimica Acta; Vol. 60; No. 21; 4231-4240; 10.1016/S0016-7037(96)00192-5
• Huang, Weishi and Silver, L. T., et el. (1996) Evidence for possible horizontal faulting in southern California from earthquake mechanisms; Geology; Vol. 24; No. 2; 123-126; 10.1130/0091-7613(1996)024<0123:EFPHFI>2.3.CO;2
• Jones, Norris W. and McKee, James W., et el. (1995) Jurassic volcanic rocks in northeastern Mexico: A possible remnant of a Cordilleran magmatic arc; ISBN 9780813723013; Studies on the Mesozoic of Sonora and adjacent areas; 179-190; 10.1130/0-8137-2301-9.179
• Nourse, Jonathan A. and Anderson, Thomas H., et el. (1994) Tertiary metamorphic core complexes in Sonora, northwestern Mexico; Tectonics; Vol. 13; No. 5; 1161-1182; 10.1029/93TC03324
• Manduca, Cathryn A. and Kuntz, Mel A., et el. (1993) Emplacement and deformation history of the western margin of the Idaho batholith near McCall, Idaho: Influence of a major terrane boundary; Geological Society of America Bulletin; Vol. 105; No. 6; 749-765; 10.1130/0016-7606(1993)105<0749:EADHOT>2.3.CO;2
• Anderson, J. Lawford and Bender, E. Erik, et el. (1993) Transcontinental Proterozoic provinces; ISBN 9780813752181; Precambrian: Conterminous U.S.; 171-334; 10.1130/DNAG-GNA-C2.171
• Huang, Weishi and Silver, Leon T., et el. (1993) Non-SAF type focal mechanisms adjacent to the SAF, Mojave Segment: Implications for Blind Thrust Beneath the San Gabriel Mountains, Southern California
• Li, Yong-Gang and Henyey, Thomas L., et el. (1992) Aspects of the crustal structure of the western Mojave Desert, California, from seismic reflection and gravity data; Journal of Geophysical Research B; Vol. 97; No. B6; 8805-8816; 10.1029/91JB02119
• Pratson, Elizabeth Lewis and Anderson, Roger N., et el. (1992) Geochemical Logging in the Cajon Pass Drill Hole and Its Application to a New, Oxide, Igneous Rock Classification Scheme; Journal of Geophysical Research B; Vol. 97; No. B4; 5167-5180; 10.1029/91JB02643
• Manduca, Cathryn A. and Silver, Leon T., et el. (1992) ^(87)Sr/^(86)Sr and ^(18)O/^(16)O isotopic systematics and geochemistry of granitoid plutons across a steeply-dipping boundary between contrasting lithospheric blocks in western Idaho; Contributions to Mineralogy and Petrology; Vol. 109; No. 3; 355-372; 10.1007/BF00283324
• Woodhead, James A. and Rossman, George R., et el. (1991) The metamictization of zircon: Radiation dose-dependent structural characteristics; American Mineralogist; Vol. 76; No. 1-2; 74-82
• Silver, Leon T. (1991) Daughter-parent isotope systematics in U-Th-bearing igneous accessory mineral aseemblages as potential indices of metamorphic history: A discussion of the concept; ISBN 0-941809-02-1; Stable isotope geochemistry : a tribute to Samuel Epstein; 391-407
• Manduca, Cathryn A. and Silver, Leon T., et el. (1990) Geochemical modeling of a steeply dipping boundary between continental and oceanic-arc lithosphere, west-central Idaho
• Hill, R. I. and Chappell, B. W., et el. (1988) San Jacinto Intrusive Complex: 2. Geochemistry; Journal of Geophysical Research B; Vol. 93; No. B9; 10349-10372; 10.1029/JB093iB09p10349
• Hill, R. I. and Silver, L. T. (1988) San Jacinto Intrusive Complex: 3. Constraints on crustal magma chamber processes from strontium isotope heterogeneity; Journal of Geophysical Research B; Vol. 93; No. B9; 10373-10388; 10.1029/JB093iB09p10373
• Silver, Leon T. and James, Eric W. (1988) Geologic setting and lithologic column of the Cajon Pass Deep Drillhole; Geophysical Research Letters; Vol. 15; No. 9; 941-944; 10.1029/GL015i009p00941
• James, Eric W. and Silver, Leon T. (1988) Implications of zeolites and their zonation in the Cajon Pass Deep Drillhole; Geophysical Research Letters; Vol. 15; No. 9; 973-976; 10.1029/GL015i009p00973
• Anderson, Roger N. and Dove, Roy E., et el. (1988) Elemental and mineralogical analyses using geochemical logs from the Cajon Pass Scientific Drillhole, California, and their preliminary comparison with core analyses; Geophysical Research Letters; Vol. 15; No. 9; 969-972; 10.1029/GL015i009p00969
• Silver, Leon T. and James, Eric W., et el. (1988) Petrological and geochemical investigations at the Cajon Pass Deep Drillhole; Geophysical Research Letters; Vol. 15; No. 9; 961-964; 10.1029/GL015i009p00961
• Zoback, Mark D. and Silver, Leon T., et el. (1988) The Cajon Pass Scientific Drilling Experiment: Overview of phase 1; Geophysical Research Letters; Vol. 15; No. 9; 933-936; 10.1029/GL015i009p00933
• Silver, Leon T. and James, Eric W. (1988) Lithologic column of the "Arkoma" Drillhole and its relation to the Cajon Pass Deep Drillhole; Geophysical Research Letters; Vol. 15; No. 9; 945-948; 10.1029/GL015i009p00945
• Silver, L. T. and Chappell, B. W. (1988) The Peninsular Ranges Batholith: an insight into the evolution of the Cordilleran batholiths of southwestern North America; Earth and Environmental Science Transactions of the Royal Society of Edinburgh; Vol. 79; No. 2-3; 105-121; 10.1017/s0263593300014152
• Conway, Clay M. and Karlstrom, Karl E., et el. (1987) Tectonic and magmatic contrasts across a two-province Proterozoic boundary in central Arizona
• Stewart, John H. and Anderson, Thomas H., et el. (1987) Comment and Reply on "Late Triassic paleogeography of the southern Cordillera: The problem of a source for voluminous volcanic detritus in the Chinle Formation of the Colorado Plateau region"; Geology; Vol. 15; No. 6; 578-579; 10.1130/0091-7613(1987)15<578a:CAROLT>2.0.CO;2
• Gromet, L. Peter and Silver, Leon T. (1987) REE Variations Across the Peninsular Ranges Batholith: Implications for Batholithic Petrogenesis and Crustal Growth in Magmatic Arcs; Journal of Petrology; Vol. 28; No. 1; 75-125; 10.1093/petrology/28.1.75
• White, A. J. R. and Clemens, J. D., et el. (1986) Comment and Reply on "S-type granites and their probable absence in southwestern North America"; Geology; Vol. 14; No. 10; 895-895; 10.1130/0091-7613(1986)14<895:CAROSG>2.0.CO;2
• White, A. J. R. and Clemens, J. D., et el. (1986) Comment and Reply on "S-type granites and their probable absence in southwestern North America"; Geology; Vol. 14; No. 9; 805-806; 10.1130/0091-7613(1986)14<805:CAROSG>2.0.CO;2
• Stewart, John H. and Anderson, Thomas H., et el. (1986) Late Triassic paleogeography of the southern Cordillera: The problem of a source for voluminous volcanic detritus in the Chinle Formation of the Colorado Plateau region; Geology; Vol. 14; No. 7; 567-570; 10.1130/0091-7613(1986)14<567:LTPOTS>2.0.CO;2
• White, A. J. R. and Clemens, J. D., et el. (1986) S-type granites and their probable absence in southwestern North America; Geology; Vol. 14; No. 2; 115-118; 10.1130/0091-7613(1986)14<115:SGATPA>2.0.CO;2
• Anderson, Thomas H. and Silver, Leon T. (1986) The border connection; geological correlations and contrasts between Arizona and Sonora; Arizona Geological Society Digest; Vol. 16; 72-73
• Hill, R. I. and Silver, L. T., et el. (1986) Coupled Sr-O isotope variations as an indicator of source heterogeneity for the Northern Peninsular Ranges batholith; Contributions to Mineralogy and Petrology; Vol. 92; No. 3; 351-361; 10.1007/BF00572164
• Hill, R. I. and Silver, L. T., et el. (1985) Solidification and recharge of SiO_2-rich plutonic magma chambers; Nature; Vol. 313; No. 6004; 643-646; 10.1038/313643a0
• Gromet, L. Peter and Silver, Leon T. (1983) Rare earth element distributions among minerals in a granodiorite and their petrogenetic implications; Geochimica et Cosmochimica Acta; Vol. 47; No. 5; 925-939
• Silver, Leon T. and Woodhead, James A., et el. (1982) Primary mineral distribution and secondary mobilization of uranium and thorium in radioactive granites; ISBN 978-92-64-02350-5; Proceedings of the Symposium on Uranium Exploration Methods: review of the NEA/IAEA R & D Programme; 355-367
• Silver, Leon T. (1982) A note on the magnitude of possible uranium losses from granites of the conterminous United States; ISBN 978-92-64-02350-5; Proceedings of the Symposium on Uranium Exploration Methods: review of the NEA/IAEA R & D Programme; 457-462
• Hill, R. I. and Silver, L. T., et el. (1982) ⁸⁷Sr/⁸⁶Sr and ¹⁸O/¹⁶O variations within a single intrusive unit of the Peninsular Ranges batholith, San Jacinto mountains, southern California
• Reed, John C., Jr. and Sims, Paul K., et el. (1982) Precambrian of the Conterminous United States; ISBN 9780813752013; Perspectives in Regional Geological Synthesis: Planning for the Geology of North America; 7-14; 10.1130/DNAG-SPEC-v1.7
• Anderson, Thomas H. and Silver, Leon T. (1981) An overview of Precambrian rocks in Sonora; Revista Mexicana de Ciencias Geológicas; Vol. 5; No. 2; 131-139
• Anderson, T. H. and Silver, L. T., et el. (1980) Distribution and U-Pb isotope ages of some lineated plutons, northwestern Mexico; ISBN 9780813711539; Cordilleran Metamorphic Core Complexes; 269-283; 10.1130/mem153-p269
• Silver, Leon T. (1980) Problems of pre-Mesozoic continental evolution; ISBN 978-0-309-02928-5; Continental tectonics; 26-29
• Silver, L. T. and Taylor, Hugh P., Jr., et el. (1979) Some petrological, geochemical and geochronological observations of the Peninsular Ranges Batholith near the international border of the U.S.A. and Mexico
• Gromet, L. Peter and Silver, Leon T. (1979) Profile of rare earth element characteristics across the Peninsular Ranges Batholith near the international border, southern California, U.S.A., and Baja California, Mexico
• Powell, R. E. and Silver, L. T. (1979) Geologic analysis of ASTP photographs of parts of Southern California
• Silver, Leon T. (1978) Precambrian Formations and Precambrian History in Cochise County, Southeastern Arizona
• Taylor, Hugh P. and Silver, Leon T. (1978) Oxygen isotope relationships in plutonic igneous rocks of the Peninsular Ranges Batholith, southern and Baja California
• Silver, Leon T. (1978) Nuclear Energy Resources; ISBN 9780429047718; The Impact of the Geosciences on Critical Energy Resources; 69-84
• Ludwig, Kenneth R. and Silver, Leon T. (1977) Lead-isotope inhomogeneity in Precambrian igneous K-feldspars; Geochimica et Cosmochimica Acta; Vol. 41; No. 10; 1457-1471; 10.1016/0016-7037(77)90251-4
• Anderson, Thomas H. and Silver, Leon T. (1977) U-Pb isotope ages of granitic plutons near Cananea, Sonora; Economic Geology; Vol. 72; No. 5; 827-836; 10.2113/gsecongeo.72.5.827
• Silver, L. T. and Anderson, T. H., et el. (1977) Geological Features of Southwestern North America
• Silver, Leon T. and Early, Thomas O. (1977) Rubidium-Strontium Fractionation Domains in the Peninsular Ranges Batholith and Their Implications for Magmatic Arc Evolution; Transactions - American Geophysical Union; Vol. 58; No. 6; 532
• Gromet, L. Peter and Silver, Leon T. (1977) Geographic Variation of Rare Earth Fractionations in Plutonic Rocks Across the Peninsular Ranges Batholith, Southern California; Transactions - American Geophysical Union; Vol. 58; No. 6; 532
• Anderson, C. A. and Silver, Leon T. (1976) Yavapai Series; a greenstone belt
• Silver, Leon T. (1976) Thorium-Uranium fractionation as an indicator of petrogenetic processes; Transactions - American Geophysical Union; Vol. 57; No. 4; 351
• Stacey, J. S. and Doe, B. R., et el. (1976) Plumbotectonics IIA, Precambrian massive sulfide deposits; 10.3133/ofr76476
• Smith, Douglas and Silver, Leon T. (1975) Potassic Granophyre Associated with Precambrian Diabase, Sierra Ancha, Central Arizona; Geological Society of America Bulletin; Vol. 86; No. 4; 503-513; 10.1130/0016-7606(1975)86<503:PGAWPD>2.0.CO;2
• Ulrich, G. E. and Rennilson, J. J., et el. (1973) Apollo 16 Exploration of Descartes: A Geologic Summary; Science; Vol. 179; No. 4068; 62-69; 10.1126/science.179.4068.62
• McGetchin, Thomas R. and Silver, Leon T. (1972) A crustal-upper-mantle model for the Colorado Plateau based on observations of crystalline rock fragments in the Moses Rock Dike; Journal of Geophysical Research; Vol. 77; No. 35; 7022-7037; 10.1029/JB077i035p07022
• Wilshire, H. G. and Schaber, G. G., et el. (1972) Geologic Setting and Petrology of Apollo 15 Anorthosite (15415); Geological Society of America Bulletin; Vol. 83; No. 4; 1083-1092; 10.1130/0016-7606(1972)83[1083:gsapoa]2.0.co;2
• Gast, P. W. and Phinney, W. C., et el. (1972) The Apollo 15 Lunar Samples: A Preliminary Description; Science; Vol. 175; No. 4020; 363-375; 10.1126/science.175.4020.363
• Swann, G. A. and Silver, L. T., et el. (1972) Geologic Setting of the Apollo 15 Samples; Science; Vol. 175; No. 4020; 407-415; 10.1126/science.175.4020.407
• Carter, Bruce and Silver, Leon T. (1972) Structure and Petrology of the San Gabriel Anorthosite-Syenite Body, California
• Anderson, Thomas H. and Silver, Leon T., et el. (1972) Observaciones geochronologicas sobre los complejos cristalinos de Sonora y Oaxaca, Mexico; Memoria - Sociedad Geologica Mexicana; 115-122
• Abrams, M. and Allen, C., et el. (1971) Preliminary seismological and geological studies of the San Fernando, California, earthquake of February 9 1971; Bulletin of the Seismological Society of America; Vol. 61; No. 2; 491-495
• Kamb, Barclay and Silver, L. T., et el. (1971) Pattern of faulting and nature of fault movement in the San Fernando earthquake
• Anderson, C. A. and Blacet, P. M., et el. (1971) Revision of Precambrian stratigraphy in the Prescott-Jerome area, Yavapai County, Arizona; 10.3133/b1324C
• McGetchin, Thomas R. and Silver, Leon T. (1970) Compositional relations in minerals from kimberlite and related rocks in the Moses Rock dike, San Juan County, Utah; American Mineralogist; Vol. 55; No. 9-10; 1738-1771
• Silver, Leon T. (1970) Uranium-Thorium-Lead Isotope Relations in Lunar Materials; Science; Vol. 167; No. 3918; 468-471; 10.1126/science.167.3918.468
• McGetchin, T. R. and Silver, L. T., et el. (1970) Titanoclinohumite: A possible mineralogical site for water in the upper mantle; Journal of Geophysical Research; Vol. 75; No. 2; 255-259; 10.1029/JB075i002p00255
• Silver, Leon T. (1970) Uranium-thorium-lead isotopes in some Tranquillity Base samples and their implications for lunar history; ISBN 9780080163925; Proceedings of the Apollo 11 Lunar Science Conference; 1533-1574
• Silver, Leon T. (1968) A geochronologic investigation of the anorthosite complex, Adirondack mountains, New York; Memoir - New York State Museum and Science Service; 233-251
• Silver, Leon T. (1968) Pre-Cretaceous basement rocks and their bearing on large-scale displacements in the San Andreas fault system; Stanford University Publications. Geological Sciences; Vol. 11; 279-280
• Duke, Michael B. and Silver, Leon T. (1967) Petrology of eucrites, howardites and mesosiderites; Geochimica et Cosmochimica Acta; Vol. 31; No. 10; 1637-1665; 10.1016/0016-7037(67)90112-3
• Pidgeon, R. T. and O'Neil, J. R., et el. (1966) Uranium and Lead Isotopic Stability in a Metamict Zircon under Experimental Hydrothermal Conditions; Science; Vol. 154; No. 3756; 1538-1540; 10.1126/science.154.3756.1538
• Banks, Philip O. and Silver, Leon T. (1966) Evaluation of the decay constant of uranium 235 from lead isotope ratios; Journal of Geophysical Research; Vol. 71; No. 16; 4037-4046; 10.1029/JZ071i016p04037
• Taylor, Hugh P., Jr. and Duke, Michael B., et el. (1965) Oxygen isotope studies of minerals in stony meteorites; Geochimica et Cosmochimica Acta; Vol. 29; No. 5; 489-512; 10.1016/0016-7037(65)90043-8
• Banks, P. O. and Silver, Leon T. (1964) Re-examination of isotopic relationships in Colorado Front Range uranium ores; Geological Society of America Bulletin; Vol. 75; No. 5; 469-476; 10.1130/0016-7606(1964)75[469:ROIRIC]2.0.CO;2
• Cooper, John R. and Silver, Leon T. (1964) Geology and ore deposits of the Dragoon quadrangle, Cochise County, Arizona; 10.3133/pp416
• Silver, L. T. and Stehli, F. G., et el. (1963) Lower Cretaceous Pre-Batholithic Rocks of Northern Baja California, Mexico; AAPG Bulletin; Vol. 47; No. 12; 2054-2059
• Silver, Leon T. and Deutsch, Sarah (1963) Uranium-Lead Isotopic Variations in Zircons – A Case Study; Journal of Geology; Vol. 71; No. 6; 721-758
• Silver, L. T. and McKinney, C. R., et el. (1963) Precambrian Age Determinations in the Western San Gabriel Mountains, California; Journal of Geology; Vol. 71; No. 2; 196-214; 10.1086/626893
• Silver, L. T. (1963) The relation between radioactivity and discordance in zircons
• Silver, Leon T. (1962) The use of cogenetic uranium-lead isotope systems in zircons in geochronology
• Wasserburg, G. J. and Wetherill, G. W., et el. (1962) A study of the ages of the Precambrian of Texas; Journal of Geophysical Research; Vol. 67; No. 10; 4021-4047; 10.1029/JZ067i010p04021
• Silver, L. T. and Deutsch, Sarah (1961) Uranium-Lead Method On Zircons; Annals of the New York Academy of Sciences; Vol. 91; No. 2; 279-283; 10.1111/j.1749-6632.1961.tb35460.x
• Allen, Clarence R. and Allison, Edwin C., et el. (1961) Geology of northwestern Baja California, Field Trip no. 5
• Allen, Clarence R. and Silver, Leon T., et el. (1960) Agua Blanca fault -- a major transverse structure of northern Baja California, Mexico; Geological Society of America Bulletin; Vol. 71; No. 4; 467-482; 10.1130/0016-7606(1960)71[467:ABFMTS]2.0.CO;2
• Deutsch, S. and Silver, L. T. (1960) An experimental investigation of discordant isotopic ages in zircons
• McKinney, Charles R. and Silver, Leon T. (1956) A joint-free sample splitter; American Mineralogist; Vol. 41; No. 5-6; 521-523
• Brown, Harrison and Silver, Leon T. (1956) The possibilities of obtaining long-range supplies of uranium, thorium, and other substances from igneous rocks