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Journal Article

Ruth B. Simon Available to Purchase

Susan Hough
Published: 01 November 2006
Seismological Research Letters (2006) 77 (6): 742–743.
DOI: https://doi.org/10.1785/gssrl.77.6.742
... for his first wife, Ruth B. Simon, to launch a trail-blazing career as a researcher in seismology. Ruth B. Simon, circa 1978. Ruth took her first job in seismology at Lamont Geological Observatory (known today as Lamont-Doherty Earth Observatory) in the late 1950s—out of necessity, former...
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Journal Article

M. RUTH TODD (1913–1984) Available to Purchase

Doris Low
Published: 01 January 1985
Journal of Foraminiferal Research (1985) 15 (1): 61–62.
DOI: https://doi.org/10.2113/gsjfr.15.1.61
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Journal Article

Ruth Sheldon Knowles; poet laureate of the high rollers Available to Purchase

Anonymous
Journal: The Leading Edge
Published: 01 February 1984
The Leading Edge (1984) 3 (2): 34–35.
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Journal Article

Alteration and mineralization in the Ruth porphyry copper deposit near Ely, Nevada Available to Purchase

Gerhard Westra
Journal: Economic Geology
Published: 01 July 1982
Economic Geology (1982) 77 (4): 950–970.
DOI: https://doi.org/10.2113/gsecongeo.77.4.950
...Gerhard Westra Abstract The Ruth-Ruth Extension porphyry copper deposit in the Robinson mining district, east central Nevada, represents the eastern extremity of a once-continuous, large sulfide system that has been fragmented by normal faulting in early mid-Tertiary time. Mineralization...
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Journal Article

THE 1980 JOSEPH A. CUSHMAN AWARD M. RUTH TODD Available to Purchase

Jere H. Lipps
Published: 01 October 1981
Journal of Foraminiferal Research (1981) 11 (4): 258–259.
DOI: https://doi.org/10.2113/gsjfr.11.4.258
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Journal Article

Controls of the eruption of mafic and ultramafic lavas, Ruth Well Ni-Cu prospect, West Pilbara Available to Purchase

E. G. Nisbet, G. A. Chinner
Journal: Economic Geology
Published: 01 October 1981
Economic Geology (1981) 76 (6): 1729–1735.
DOI: https://doi.org/10.2113/gsecongeo.76.6.1729
...E. G. Nisbet; G. A. Chinner Abstract The markedly bimodal early Archean volcanic suite exposed near the Ruth Well Ni-Cu prospect, West Pilbara, shows the intimate interfingering and interlayering of spinilex-textured komatiite (MgO = 30-20%) and komatiitic basalt (MgO = 14-10%), implying closely...
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Journal Article

Earthquake interpretations : Ruth Simon, Colorado School of Mines, Golden, 1969, 99 pp. (paper-bound) $1.00 Available to Purchase

Dean S. Carder
Published: 01 April 1970
Bulletin of the Seismological Society of America (1970) 60 (2): 673.
DOI: https://doi.org/10.1785/BSSA0600020673
...Dean S. Carder Copyright © 1970, by the Seismological Society of America Bulletin of the Seismological Society of America. Vol. 60, No. 2, pp. 673. April, 1970 BOOK R E V I E W Earthquake Interpretations. Ruth Simon, Colorado School of Mines, Golden, 1969, 99 pp. (paper- bound) $1.00...
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Journal Article

Vivianite from Ruth, Nevada Available to Purchase

Vincent P. Gianella
Published: 01 June 1938
American Mineralogist (1938) 23 (6): 414.
...Vincent P. Gianella Abstract Vivianite was found during mining operations in the Liberty Pit of the Nevada Consolidated Company’s mine at Ruth, Nevada. The mineral was noted by Mr. Emmett Spencer, who called the writer’s attention to it during a visit to the property in June, 1937. The vivianite...
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Journal Article

A Review of the geological history of the Evander Basin with new insights into the deposition of the Kimberley Formation Available to Purchase

T.S. McCarthy, J.K. Schweitzer, W. Seymore, P. Ogilvie, S.A. de Waal, A. Govender, S. Weise, H. Pretorius, L. Wagner, B. Naicker
Published: 01 June 2024
South African Journal of Geology (2024) 127 (2): 285–324.
DOI: https://doi.org/10.25131/sajg.127.0020
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Ruth Harris delivering the 2024 Presidential Address. The color version of this figure is available only in the electronic edition.

Ruth Harris delivering the 2024 Presidential Address. The color version of ... Available to Purchase

Published: 07 August 2024
Ruth Harris delivering the 2024 Presidential Address. The color version of this figure is available only in the electronic edition.
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SSA’s 2023–2024 President Ruth Harris.

SSA’s 2023–2024 President Ruth Harris. Available to Purchase

Published: 22 August 2023
SSA’s 2023–2024 President Ruth Harris.
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SSA President Ruth Harris with 2023 Charles F. Richter Early‐Career Award Recipient Daniel Trugman.

SSA President Ruth Harris with 2023 Charles F. Richter Early‐Career Award R... Available to Purchase

Published: 22 August 2023
SSA President Ruth Harris with 2023 Charles F. Richter Early‐Career Award Recipient Daniel Trugman.
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SSA President Ruth Harris with 2023 Distinguished Service to SSA Award Recipient Mitch Withers.

SSA President Ruth Harris with 2023 Distinguished Service to SSA Award Reci... Available to Purchase

Published: 22 August 2023
SSA President Ruth Harris with 2023 Distinguished Service to SSA Award Recipient Mitch Withers.
Journal Article

Quantitative arsenic speciation in mine tailings using X-ray absorption spectroscopy Available to Purchase

Andrea L. Foster, Gordon E. Brown, Tracy N. Tingle, George A. Parks
Published: 01 June 1998
American Mineralogist (1998) 83 (5-6): 553–568.
DOI: https://doi.org/10.2138/am-1998-5-616
... in model compounds and three California mine wastes: fully oxidized tailings (Ruth Mine), partially oxidized tailings (Argonaut Mine), and roasted sulfide ore (Spenceville Mine). Mineralogy was characterized by Rietveld refinement of X-ray powder diffraction patterns. The spatial distribution...
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Figure 7. View southwest of the south valley wall of Caldera Creek. The glaciated northeast cirque of Ruth Mountain rises above. The contact between uppermost white, nearly pure ash facies of the ignimbrite of Hannegan Peak (Thh) and overlying ignimbrite of Ruth Mountain (Thr) dips south ∼35°. Thr, which extends to the snowy ridge crest left (east) of Ruth Mountain, is typically darker and more altered than Thh. The medium gray band at the contact may be sedimentary rock of unit Ths, but it could not be reached. Glaciated Ruth Mountain (2169 m) rises above. Dark knob in the glacier to the right of the summit is a megablock of Easton metamorphic suite schist ∼100 m across.

Figure 7. View southwest of the south valley wall of Caldera Creek. The gla... Available to Purchase

Published: 01 March 2007
Figure 7. View southwest of the south valley wall of Caldera Creek. The glaciated northeast cirque of Ruth Mountain rises above. The contact between uppermost white, nearly pure ash facies of the ignimbrite of Hannegan Peak (Thh) and overlying ignimbrite of Ruth Mountain (Thr) dips south ∼35°. Thr
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(a) Comparison of the waveforms calculated by the Ruth, Iwastu, and optimal 3rd symplectic integrators along with the analytic solution. (b) Difference between analytic and numerical solutions (uanalytic−unumerical). The peak frequency f0 of the explosive source is 10 Hz. The grid space is 20×20×20  m. The inset in (b) shows where the zoom‐in is located.

(a) Comparison of the waveforms calculated by the Ruth, Iwastu, and optimal... Available to Purchase

Published: 10 March 2020
Figure 9. (a) Comparison of the waveforms calculated by the Ruth, Iwastu, and optimal 3rd symplectic integrators along with the analytic solution. (b) Difference between analytic and numerical solutions ( u analytic − u numerical ). The peak frequency f 0 of the explosive
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Map of the Kahiltna Glacier region, showing the Ruth and Coffee Glaciers, catchment boundaries (in gray), geographic features, and sample locations. (A) Satellite image showing extent of glaciers. Background image is from ESRI World Imagery compilation (https://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/0). (B) Geologic map modified from compilation of Wilson et al. (2015). Note: Farewell terrane basement rocks consist of marble, metavolcanics, and minor metasediments. Paleo.—Paleocene; K—Cretaceous.

Map of the Kahiltna Glacier region, showing the Ruth and Coffee Glaciers, c... Open Access

Published: 10 March 2020
Figure 3. Map of the Kahiltna Glacier region, showing the Ruth and Coffee Glaciers, catchment boundaries (in gray), geographic features, and sample locations. (A) Satellite image showing extent of glaciers. Background image is from ESRI World Imagery compilation ( https
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Ruth B. Simon, circa 1978.

Ruth B. Simon, circa 1978. Available to Purchase

Published: 01 November 2006
Ruth B. Simon, circa 1978.
Image
Ruth Simon (third from right) at going-away party for Inge Lehmann (far right). Photo taken at Lamont Hall circa 1954. Reproduced courtesy of Lamont-Doherty Earth Observatory.

Ruth Simon (third from right) at going-away party for Inge Lehmann (far rig... Available to Purchase

Published: 01 November 2006
Ruth Simon (third from right) at going-away party for Inge Lehmann (far right). Photo taken at Lamont Hall circa 1954. Reproduced courtesy of Lamont-Doherty Earth Observatory.
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—Porosity vs. depth for Ruth-1 well. Broken line denotes normal depth-porosity relations for North Sea chalk (Scholle, 1977).

—Porosity vs. depth for Ruth-1 well. Broken line denotes normal depth-poros... Available to Purchase

Published: 01 November 1987
Figure 4 —Porosity vs. depth for Ruth-1 well. Broken line denotes normal depth-porosity relations for North Sea chalk ( Scholle, 1977 ).