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Utah's red rock metronome（图）
Utah red rock metronome
2019/10/17
At about the same rate your heart beats, a Utah rock formation called Castleton Tower gently vibrates, keeping time and keeping watch over the sandstone desert below. Swaying like a skyscraper, the re...
Periodic and Nonperiodic Stacking in Biotite from the Bingham Canyon Porphyry Copper Deposit, Utah
5-Layer mica polytypes Biotite Transmission electron microscopy Structural oscillation
2011/12/27
Fine-grained biotite crystals within primary actinolite from a quartz monzonite body of the Bingham Canyon porphyry copper deposit, Utah, consist of 1M, 5M1, and 1Md polytype structures. HRTEM images ...
Characterization of Hydrothermal Tobelitic Veins from Black Shale, Oquirrh Mountains, Utah
Ammonium illite Hydrothermal Microprobe Nitrogen analysis Tobelite
2011/12/31
Hydrothermal tobelitic phyllosilicates modeled as ISII (R3) ordering with a minimum of 2–3% and a maximum of 6–8% interstratified smectite occur in veins and as replacement of fossils in hydrothermall...
Vanadium Chlorite from a Sandstone-Hosted Vanadium-Uranium Deposit, Henry Basin, Utah
Chlorite Chlorite/smectite Corrensite Diagenesis Tosudite Uranium Vanadium X-ray powder diffraction
2012/1/12
An unusual vanadium chlorite precipitated during the formation of a vanadium-uranium ore deposit in the Henry Basin, southeastern Utah. The ore deposit formed by reduction and precipitation of U and V...
The Origin of Pyrophyllite Rectorite in Shales of North Central Utah
Origin Pyrophyllite Rectorite Shales North Central Utah
2012/2/20
Pyrophyllite is widespread in pelitic rocks of the Manning Canyon Shale in north central Utah, and the association of this mineral with other clay minerals, especially rectorite is related to the orig...