1-9 OF 9 RESULTS FOR

improved Vanderwilt

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Published: 01 February 1937
American Mineralogist (1937) 22 (2): 142–144.
... in an increased rate of cutting. After his article was written but before it was published, Vanderwilt suggested an additional improvement which resulted in the removal of a difficulty which at times interfered with the successful operation of the saw, i.e., “flopping” of the saw blade. This improvement consists...
Journal Article
Published: 01 October 1936
American Mineralogist (1936) 21 (10): 670–675.
...G. D. Emigh Abstract A simple and inexpensive device for sawing rock specimens up to 7 inches square in cross section was designed and described by Vanderwilt. 1 Some changes in Vanderwilt’s original design were made by the present writer, and a machine was constructed at the University of Arizona...
Journal Article
Journal: Economic Geology
Published: 01 May 1928
Economic Geology (1928) 23 (3): 292–316.
...John W. Vanderwilt GeoRef, Copyright 2008, American Geological Institute. Reference includes data from Bibliography and Index of North American Geology, U. S. Geological Survey, Reston, VA, United States 1928 ...
Journal Article
Journal: SEG Discovery
Published: 01 October 1993
SEG Discovery (1993) (15): 1–11.
... only 386 ounces gold and 70,000 ounces silver ( Vanderwilt, 1947 ). Yet the mineralogy, paragenesis, alteration, overall fluid chemistry, fluid inclusion and isotope systematics ( Table 2 —see page 6) of these veins is very similar to those at Sunnyside. Gold content is the principal difference...
FIGURES | View All (4)
Journal Article
Journal: AAPG Bulletin
Published: 01 January 2023
AAPG Bulletin (2023) 107 (1): 169–189.
... recovered more than 1,700,000 lb of Cu and 360,000 oz of Ag ( Emmons, 1906 ; Vanderwilt, 1947 ; Thorson and MacIntyre, 2005 ; MacIntyre, 2006 ). The Cu minerals are dominantly chalcocite, bornite, tennantite, and chalcopyrite with supergene malachite and azurite. The deposit shows zoning from a central...
FIGURES | View All (10)
Journal Article
Journal: SEG Discovery
Published: 01 October 1993
SEG Discovery (1993) (15): 1–36.
..., the Sunnyside mine) to nearby unproductive (Vanderwilt, 1947). Yet the mineralogy, paragenesis, alteration, ones (Mineral Point and Galena districts) in the hope that the overall fluid chemistry, fluid inclusion and isotope systematics critical differences will manifest themselves. In this paper, the (Table 2...
Journal Article
Journal: AAPG Bulletin
Published: 01 April 1971
AAPG Bulletin (1971) 55 (4): 593–620.
..., Colorado, 1967. Thanks to T. R. Walker, D. L. Eicher, G. J. Verville, and D. E. Toomey for reading various stages of the manuscript and making suggestions for improvement. G. J. Verville identified the fusulinids and John Wray confirmed identification of several algae genera. Richard Koepnick and James...
FIGURES | View All (44)
Journal Article
Journal: SEG Discovery
Published: 01 July 2009
SEG Discovery (2009) (78): 1–64.
... Council Minutes for the among both corporate and individual ity and improved website visibility. October 24, 2008, meeting held at sources, the possibility of more non- the SEG headquarters in Littleton, cash contributions, and the need to Other issues raised during discussion Colorado, USA. increase...
Journal Article
Journal: SEG Discovery
Published: 01 April 2009
SEG Discovery (2009) (77): 1–52.
... the Survey to join the Finders conducted minerals exploration in Climax Molybdenum Company at the western North America and elsewhere. recommendation of John W. Vanderwilt Following conclusion of that agreement (SEG 1930, then Climax consulting geolo- and dissolution of Mine Finders in 1976, gist...