Silver, Leon T. (2022) Testimony
before the Congressional Committee on Science and Technology.
Subcommittee On Energy Research And Production
Silver, L. T.; 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.; Anderson, T. H.; et el. (2015) Skylab-4
visual observations project: Geological features of southwestern North
America
Anderson, Thomas H.; 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; 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;
1-50; 10.1130/0-8137-2393-0.1
Henry, Christopher D.; McDowell, Fred W.; et el. (2003) Geology
and geochronology of granitic batholith complex, Sinaloa, México:
Implications for Cordilleran magmatism and tectonics ; ISBN
9780813723747; 237-273; 10.1130/0-8137-2374-4.237
Wolf, R. A.; 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
Wolf, R. A.; 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
Farley, K. A.; 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
Huang, Weishi; 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.; McKee, James W.; et el. (1995) Jurassic
volcanic rocks in northeastern Mexico: A possible remnant of a
Cordilleran magmatic arc ; ISBN 9780813723013; 179-190; 10.1130/0-8137-2301-9.179
Nourse, Jonathan A.; 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.; 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; Bender, E. Erik; et el. (1993) Transcontinental
Proterozoic provinces ; ISBN 9780813752181; 171-334; 10.1130/DNAG-GNA-C2.171
Huang, Weishi; 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; 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; 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.; 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 Idaho10.1007/BF00283324
Woodhead, James A.; 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; 391-407
Manduca, Cathryn A.; 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.; 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:
Constraints on crustal magma chamber processes from strontium
isotope
heterogeneity](https://resolver.caltech.edu/CaltechAUTHORS:20131031-103755851);
Journal of Geophysical Research B; Vol. 93; No. B9; 10373-10388; 10.1029/JB093iB09p10373
Anderson, Roger N.; 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. (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
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, Leon T.; 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.; 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, 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.; Karlstrom, Karl E.; et el. (1987) Tectonic
and magmatic contrasts across a two-province Proterozoic boundary in
central Arizona
Stewart, John H.; 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.; 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.; 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.; 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.; 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
Hill, R. I.; 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
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.; 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. (1982) A
note on the magnitude of possible uranium losses from granites of the
conterminous United States ; ISBN 978-92-64-02350-5; 457-462
Silver, Leon T.; 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; 355-367
Hill, R. I.; 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.; Sims, Paul K.; et el. (1982) Precambrian
of the Conterminous United States ; ISBN 9780813752013; 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.; Silver, L. T.; et el. (1980) Distribution
and U-Pb isotope ages of some lineated plutons, northwestern Mexico ;
ISBN 9780813711539; 269-283; 10.1130/mem153-p269
Silver, Leon T. (1980) Problems
of pre-Mesozoic continental evolution ; ISBN 978-0-309-02928-5;
26-29
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
Silver, L. T.; 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
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; 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.; Anderson, T. H.; et el. (1977) Geological
Features of Southwestern North America
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
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
Anderson, C. A. and Silver, Leon T. (1976) Yavapai
Series; a greenstone belt
Stacey, J. S.; Doe, B. R.; et el. (1976) Plumbotectonics
IIA, Precambrian massive sulfide deposits ; 10.3133/ofr76476
Silver, Leon T. (1976) Thorium-Uranium
fractionation as an indicator of petrogenetic processes ;
Transactions - American Geophysical Union; Vol. 57; No. 4; 351
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.; 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.; 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
Swann, G. A.; 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
Gast, P. W.; 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
Anderson, Thomas H.; Silver, Leon T.; et el. (1972) Observaciones
geochronologicas sobre los complejos cristalinos de Sonora y Oaxaca,
Mexico ; Memoria - Sociedad Geologica Mexicana; 115-122
Carter, Bruce and Silver, Leon T. (1972) Structure
and Petrology of the San Gabriel Anorthosite-Syenite Body,
California
Abrams, M.; 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; Silver, L. T.; et el. (1971) Pattern
of faulting and nature of fault movement in the San Fernando
earthquake
Anderson, C. A.; 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.; 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; 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.; 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.; 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.; 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.; 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.; 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.; Allison, Edwin C.; et el. (1961) Geology
of northwestern Baja California, Field Trip no. 5
Allen, Clarence R.; 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
