 | | Report (issue) | | SURVEY 1 2 Tucson, Arizona Emeritus, San Jose State University, San Jose, California Contents CONTENTS...the geologic relations they illustrate. Among the new conclusions are: a) Loci of Cretaceous shoreline...kilometers, permitting focused exploration in whole new mountain ranges. b) Medial hematite-ilmenite solid-solution...deposits there were cursory, except for California's San Gabriel Mountains, unconventional resources such...their host rocks have been reported. New evaluations have produced new estimates of resources (table 1), |  | | Report (issue) | | SANDSTONE IN THE SAN JUAN BASIN AND ADJACENT AREAS IN ARIZONA, COLORADO, AND NEW MEXICO John F. Murphy...SANDSTONE IN THE SAN JUAN BASIN AND ADJACENT AREAS IN ARIZONA, COLORADO, AND NEW MEXICO by John ]?. Murphy...black sandstone were reported in northwestern New Mexico, southwestern Colorado, and northeastern Arizona...stage. 2 The black sand concentrations found in New Mexico, Colorado, and Arizona are mineralogically and...on Chacra Mesa in the southeastern part of the San Juan Basin. These are located on the ranch of Mr |  | | Report (issue) | | ........................... 5 5. Arizona and New Mexico ........................................................ 10 9. Photograph of black sandstone deposit in the uppermost sandstone of the Rock Springs...vertical sequence of black sandstone, Marias River deposit, Montana ........................................in middle part of black sandstone, Marias River deposit, Montana ......................... 14 13. Rose...lower part of black sandstone at Marias River deposit, Montana ..................................... |  | | Report (issue) | | from the Bootstrap mine in Elko County south to Hot Creek in Nye County. These preliminary studies have...at the Cortez deposit, Eureka County, Nev., and the Gold Acres deposit, Lander County, Nev., generally...in vein quartz associated with the Cortez gold deposit homogenize at temperatures between 175° and 230°...mine dumps in the Silver Cliff district, Custer County, south-central Colorado, have been studied. Some...postdating the ore from the Bodie district in Mono County, east-central California, have inclusions showing |  | Sanusi, M.S.M., Ramli, A.T., Basri, N.A., Heryanshah, A., Said, M.N., Lee, M.H., Wagiran, H., Saleh, M.A. (2017) Thorium distribution in the soils of Peninsular Malaysia and its implications for Th resource estimation. Ore Geology Reviews, 80. 522-535 doi:10.1016/j.oregeorev.2016.07.021 | Journal (article/letter/editorial) | | as well as the potential of black sand placer deposit as a Th resource in Peninsular Malaysia are also...current reserves would last for 24 more years if no new gas fields are discovered (Abdul Rahim and Liwan,...classified the placer mineral deposit, carbonatite-hosted and vein-type deposit as the main Th sources, with...a placer-type deposit is the world's major Th resources (OECD-NEA, 2014). Placer deposit is defined as...Guangdong, Xun Jiang in China; Westport and Barrytown in New Zealand; Atlantida in Uruguay (Jackson and Christiansen |
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