... Early Cretaceous foreland basin in southwestern Montana: sedimentation related to tectonism . In Powers , R. B. , ed. Geologic studies of the Cordilleran thrust belt . Denver, Rocky Mt. Assoc. Geol. , p. 159 – 183 . Simmons , G. C. 1957 . Contact of the Burro Canyon Formation...

... that the disconformity between the Burro Canyon and Dakota becomes an angular unconformity and pre-Dakota warping and erosion have removed Lower Cretaceous and Upper and Lower Jurassic rocks. The contact between the two formations has been described by Carter (1957 , p. 311) in the nearby Mt. Peale No. 1 Quadrangle...

... deposit south of Kelso, California, an eastern extension of Kaiser's Vulcan iron deposit (named the Burro deposit by U.S. Steel) several iron deposits along the mineral trend extending from Carlin, Nevada through Battle Mountain, Lovelock, and to Yerington, Nevada. The major iron deposits classified...

...Jeffrey M. Amato; Matthew T. Heizler; Andre O. Boullion; Amos E. Sanders; Jaime Toro; Virginia T. McLemore; Christopher L. Andronicos Abstract Large-volume granitic plutons in the Burro Mountains, southwestern New Mexico, cover an area of 1300 km 2 and include biotite leucogranite and biotite...

... are designated by abbreviations also used in the sample names in Table 1 , and include SA, San Andres Mountains; SASC, San Andres Mountains–Salt Canyon; SD, San Diego Mt.; MS, Mud Springs; FM, Florida Mountains; SL, San Lorenzo; BM, Burro Mountains; LHM, Little Hatchet Mountains. Data from Coronado Sandstone...

... aspis , shield. The Sandy Member of the Sevy Dolomite, Northern Egan Range, east-central Nevada and Pavant Range, west-central Utah; Lippincott Member of the Lost Burro Formation, Panamint Mts., Death Valley, California. These localities are all dated to the late Emsian. The Death Valley...

.... Figure 1. (A) Locations of detrital zircon samples and maximum depositional ages (in Ma) of Lower Cretaceous strata, western United States. MT—Montana; WY—Wyoming; ID—Idaho; UT—Utah; CO—Colorado; AZ—Arizona. (B) Measured stratigraphic section of the Kootenai Formation at Ziegler Gulch, Montana...

... W. Givler, and Robert J. Carson Vertical Displacement on the Central Segments of the Wasatch Fault Zone, Utah 
 Christopher B. DuRoss The Role of Long-Period Ground Motions on the Magnitude and Damage of Volcanic Earthquakes on Mt. Etna, Italy 
 Giuliano Milana, Antonio Rovelli, Adriano De...

... to brackish groundwater in the shallow Cretaceous Burro Canyon Formation contains low Cu and high SO 4 concentrations and shows oxidation of sulfides by meteoric water, while U concentrations are higher than within other formation waters. Deeper brines in the Pennsylvanian Honaker Trail Formation were derived...

... basis, as well as being added month by month to the Commission's web site. IMA No. 2020-081 Dobšináite Ca 2 Ca(AsO 4 ) 2 ⋅2H 2 O Dionýz mining field, Zemberg-Terézia vein system, 2.2 km NE of the Dobšiná town, Spišsko-gemerské rudohorie Mts., Rožňava Co., Košice Region, Slovakia (48°50’17...

... of Arizona. He spent his career working with computers and telescopes, recently retiring from a position at the Multiple Mirror Telescope Observatory (MMTO) on Mt. Hopkins in Arizona. Mr. Trebisky was involved in the description of the mineral rowleyite, [Na(NH 4 ,K) 9 Cl 4 ][V 2 5+,4+ (P,As)O 8 ] 6 ·n[H 2...

... 2 O) 13 ] 2 [H 2 V 4+ V 5+ 9 O 28 ][V 5+ 10 O 28 ] 2 ·90H 2 O West Sunday mine, Slick Rock district, San Miguel Co., Colorado, USA (38°4’48.03”N, 108°49′18.07”W); Packrat mine, near Gateway, Mesa Co., Colorado, USA (38°38’51.28”N, 109°2’49.77”W); Burro mine, Slick Rock district, San Miguel Co...

... KAl 11 O 17 Ca. 300 m NE of the Parsa Mt, Negev Desert, Hatrurim Basin, Israel (31°12.18′N, 36°15.31′E) Biljana Krüger*, Evgeny V. Galuskin, Irina O. Galuskina, Hannes Krüger and Yevgeny Vapnik *E-mail: [email protected] The K analogue of diaoyudaoite Hexagonal: P 6 3 / mmc...

... , Mineralogy and geochemistry of the weathering of the disseminated nickel sulfide deposit at Mt. Keith, Western Australia : Economic Geology , v. 76 , p. 1736 – 1751 . Coleman R.G. Keith T.E.A. , 1971 , Chemical study of serpentinization -Burro Mountain, California : Journal of Petrology...

... in the Gannett Group, and in the Cloverly, Kootenai, Cedar Mountain, and the Burro Canyon Formations. The lower Cloverly beds are known as the “lilac beds” in the Gros Ventre Range ( Love et al ., 1948 ). Limestone is interbedded with the mudstone of the lower Cloverly and the lilac beds are approximately...

...—North Muddy Mountains and Boulder Dam, G—St. George and Beaver Dam mountains, H—Northern Virgin Mountains, I—Grand Canyon, J—Hawthorne and Tonopah quadrangles, K—Mt. Tobin Quadrangle, L—Antler Peak Quadrangle, M—Roberts Mountains and Lone Mountain area, N—Eureka district, O—Ely district, P—Pioche...

... (Fig. 1), they are altered to serpentinites only. In the latter area, the process of serpentinization is very intensive and pervasive even upto a depth of 150 mts. This widespread serpentinization facilitates detailed mineralogical and chemical studies of the serpentinites to understand the nature...

...) . Inset shows western United States with location box for main figure. Projection: UTM, zone 11 N; datum: WGS 1984. State abbreviations in inset: AZ—Arizona, CA—California, CO—Colorado, ID—Idaho, NM—New Mexico, OR—Oregon, MT—Montana, NV—Nevada, UT—Utah, WA—Washington, WY—Wyoming. In contrast...

... south to the Serrania del Burro and Sierra del Carmen in the Big Bend of Texas and adjacent Mexico, a distance of 320 miles, a whole tectonic province of folded rocks corresponding with the Front Range of Colorado and with the Sierra Madre Oriental of Mexico is missing. Within that interval lies...