... seismic network for the Yellowstone region in December 2008 (triangles) and earthquakes originating on 29 December 2008 (circles). State boundaries (thin lines) and the extent of Yellowstone National Park (thick lines) are also shown.The color version of this figure is available only in the electronic...

... in the Yellowstone Park-Absaroka volcanic province. The thickness of the Pitchfork formation ranges from about 200 to about 1,200 feet and is generally about 1,000 feet. The formation interfingers northward with the early basic breccia of Hague (1896 and 1899 ); toward the south it pinches out against the axis...

... of Yellowstone National Park. With the exception of Ostrea congesta Conrad, a long-ranging form, the remaining fossils from the two localities near Glacier National Park are little known. The specimens of Inoceramus aff. I. lamarcki and I. aff. I. involutus Sowerby are few and fragmentary. Among...

... ; Shelly and Hardebeck, 2019 ). Figure 1. Map of seismicity (gray dots) from 1 January 1984 to 31 December 2020 cataloged by The University of Utah Seismograph Stations (UUSS) in and surrounding Yellowstone National Park (YP, dashed boundary). The solid black rectangle (CR) shows the study area...

... Jurassic age for part of the Ellis formation in the Yellowstone National Park area 4 and of the lower part of the Twin Creek limestone in southeastern Idaho 5 were not substantiated by fossils. Crickmay 6 concluded that the basal part of the Ellis formation of the Yellowstone National Park area...

... structures highlight, within the rock, the flow fields associated with the dynamics that caused the magmas to interact, generating structures that wrap around each other, giving the rock an extremely dynamic appearance. An example from a Grizzly Lake outcrop in Yellowstone National Park (USA); ( Pritchard et...

.... 6 Op. cit ., p. 817. 7 R. V. Hughes, “The Geology of the Beartooth Mountain Front in Park County, Wyoming,” Proc. Nat. Acad. Sci ., Vol. 19 (1933), pp. 239-53. 8 Letter from John B. Reeside, Jr., July 17, 1945 9 Op. cit ., p. 27. 10 Erling Dorf and Christina...

..., along the south margin of Yellowstone National Park ( Fig. 1 ). The type locality extends from the head of the Snake River gorge southward over Big Game Ridge, about 2 miles east of Mt. Hancock, and on across Wolverine Creek to the north base of Pinyon Peak. The formation has been gently folded...

...) is from the beach in c), and core in h) is from a shallow-sea location in the surf zone in c). In 1898, a United States Geological Survey expedition to Yellowstone National Park (USA) sought to establish the upper temperature limit of life. Based on careful observations of numerous hot springs...

... of its course in Wyoming and northern Colorado, connects structures of several different kinds; does not coincide with trends of known large-scale fractures or fracture zones; and transects such known structural elements as the Great Divide Basin and the Park Range uplift at places where no structural...

.... Weaver Craig S. Spence William (1979) . The Yellowstone Park Earthquake of June 30, 1975 , Bull. Seis. Soc. Am. 69 , 187 - 205 . Richins W. D...

...-Yellowstone Park region of southwestern Montana and northwestern Wyoming, or an area farther west. This area was one of orogenic and volcanic activity during the Cretaceous. Large andesite porphyry cobbles have not been reported from Frontier conglomerate beds on the west side of the Big Horn basin (Van...

... ; Kurashimo et al. , 2019 ). Detailed locations were designed around road condition and national park regulatory constraints and to promote good data quality and recovery. The monsoon rains started soon after our deployment in June 2015, so road conditions worsened significantly during the deployment. We...

... been found for wairakite from the Tanzawa Mountains, Japan ( Seki and Oki 1969 ). K and Mg are negligible or absent, and Sr and Ba are absent. Samples from active geothermal areas selectively concentrate Cs, ranging up to 4,700 ppm in crystals from Yellowstone National Park, Wyoming ( Keith et al. 1983...

... area, about 30 miles wide and 60 miles long, with the apex of the triangle near the northeast corner of Yellowstone Park ( Figs. 1 and 16 ). The easternmost remnants are at McCulloch Peaks ( Fig. 6 ), the southwesternmost are in the vicinity of Sheep Mountain ( Figs. 1 and 6...

.... , Aburukbah , A. , Stewart , I.C.F. , Lundgren , P.R. , White , R.A. , Moufti , M.R.H. , 2010 . Broad accommodation of rift-related extension recorded by dyke intrusion in Saudi Arabia . Nat. Geosci . 3 ( 10 ), 705 – 712 , doi: 10.1038/ngeo966 . Park , J. , Levin , V...

... and flows in the Rhyolite Plateau of Yellowstone Park, Wyoming Bull. geol. Soc. Am 1961 72 387 426 Burnham C. W. Holloway J. R. Davis N. F. Thermodynamic properties of water to 1000°C and 10,000 bars Spec. Pap. geol. Soc. Am 1969 132 Cas R. Silicic lavas in Paleozoic...

... gate to South Roosevelt Park on U. S. Highway 10 is the same as the higher one at Sully Springs. From this point eastward and northward, however, one runs into increasing difficulties in attempting to identify and correlate clinkers, coals, and silicified zones across terrane with poor exposures, so...

... beneath Norris Geyser basin, Yellowstone National Park , J. Geophys. Res. 125 , e2019JB018208 , doi: 10.1029/2019JB018208 . Yeats R. S. Sieh K. , and Allen C. R. 1997 . The Geology of Earthquakes , Oxford University Press , New York , 568 pp. ...

... be discontinued in central Montana where the Carboniferous rocks are older than the restricted Quadrant formation (Pennsylvanian) at its type locality in the Yellowstone Park ( Thompson and Scott, 1941 , pp. 349–53). He introduced the name Big Snowy group, made up of the Kibbey and Otter formations and his newly...