Author

Charles R. Knowles

Observed names: C. R. KNOWLES, C. R. Knowles, C.R. Knowles, Charles R Knowles

Observed institutions: University of Idaho, University of Chicago, Idaho Geological Survey, University of Maryland, College Park

OpenAlex ID: A5042073731

Phase relations in the systems PbS-Sb 2 S 3 -Bi 2 S 3 and PbS-FeS-Sb 2 S 3 -Bi 2 S 3

1980 · L. L. Y. Chang, D. S. Walia, et al. · Economic Geology · 128

Imnaha Basalt, Columbia River Basalt Group

1984 · P. R. HOOPER, W. D. KLECK, et al. · Journal of Petrology · 53

Crystal structure and optical properties of Na- and Pb-exchanged heulandite-group zeolites

1994 · Mickey E. Gunter, Thomas Armbruster, et al. · American Mineralogist · 49

Composition of the Mount St. Helens Ashfall in the Moscow-Pullman Area on 18 May 1980

1980 · P. R. Hooper, I. W. Herrick, et al. · Science · 47

A redetermination of the structure of miargyrite, AgSbS2

1964 · C. R. Knowles · Acta Crystallographica · 46

X-Ray Emission Microanalysis of Rock-Forming Minerals. VII. Garnets

1969 · C. R. Knowles, J. V. Smith, et al. · The Journal of Geology · 44

A BASIC program to recast garnet end members

1987 · Charles R. Knowles · Computers & Geosciences · 37

Crystal structures with a chabazite framework. III. Hydrated Ca-chabazite at +20 and –150°C

1964 · J. V. Smith, C. R. Knowles, et al. · Acta Crystallographica · 37

Electron Probe Microanalysis of Noncarious Enamel and Dentin and Calcified Tissues in Mottled Teeth

1969 · F.C. Besic, C.R. Knowles, et al. · Journal of Dental Research · 36

Phase relations in the system Ag 2 S-Cu 2 S-PbS-Bi 2 S 3

1988 · Luke L. Y. Chang, Daqing Wu, et al. · Economic Geology · 34

Copper-tin sulphides in the system Cu-Sn-S

1986 · Daqing Wu, Charles R. Knowles, et al. · Mineralogical Magazine · 29

Electron Microprobe Data for Tephra Attributed to Glacier Peak, Washington

1977 · Henry W. Smith, Rose Okazaki, et al. · Quaternary Research · 29

Magnetostratigraphy of the Imnaha and Grande Ronde basalts in the southeast part of the Columbia Plateau

1979 · P. R. Hooper, C. R. Knowles, et al. · American Journal of Science · 24

Electron Microprobe Analysis of Glass Shards from Tephra Assigned to Set W, Mount St. Helens, Washington

1977 · Henry W. Smith, Rose Okazaki, et al. · Quaternary Research · 22

Sunstone Labradorite from the Ponderosa Mine, Oregon

1991 · Christopher L. Johnston, Mickey E. Gunter, et al. · Gems & Gemology · 17

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The use of X-ray fluorescence to detect lead contamination of carpeted surfaces

1993 · Bridget N. Bero, Margrit C. Von Braun, et al. · Environmental Monitoring and Assessment · 12

Detailed Electron Probe Microanalysis of Three Teeth Sections with Early Enamel Caries

1970 · F.C. Besic, C.R. Knowles, et al. · Journal of Dental Research · 12

Transition Metal Contents of Al2SiO5 Polymorphs

1969 · G. A. Chinner, J. V. Smith, et al. · American Journal of Science · 12

Phase relations in the system CuMoS

1990 · Huang Dawei, Luke L.Y. Chang, et al. · Journal of the Less Common Metals · 9

Lead caps on wine bottles and their potential problems

1979 · C. M. Wai, C. R. Knowles, et al. · Bulletin of Environmental Contamination and Toxicology · 9

Composite natrolite-mesolite crystals from the Columbia River Basalt Group, Clarkston, Washington

1993 · M. E. Gunter, C. R. Knowles, et al. · The Canadian Mineralogist · 8

Phase relations in the systems PbS-Fe (sub 1-x) S-Sb 2 S 3 and PbS-Fe (sub 1-x) S-Bi 2 S 3

1977 · Lilly Chang, C. R. Knowles · The Canadian Mineralogist · 8

Extent of solid solution in Pb-Sn and Sb-Bi chalcogenides

1995 · Huifang Liu, C. R. Knowles, et al. · The Canadian Mineralogist · 6

Optical, X-ray, and chemical analysis of four eudialytes from Alaska

1993 · Mickey E. Gunter, Neil E. Johnson, et al. · Mineralogical Magazine · 5

X-ray Emission Microanalysis of Rock-forming Minerals. VIII. Amphiboles

1971 · J. C. Rucklidge, Elvira Gasparrini, et al. · Canadian Journal of Earth Sciences · 5

Works count: 35

Citation count: 734

H-index: 15

I10-index: 18