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Filters: Tags: Yellowstone National Park Collection (X) > partyWithName: Bargar, Keith E. (X)

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Album caption and index card: Hot River. Hot carbonated spring water undercut the old horizontally bedded travertine deposits until individual blocks collapsed under their own weight. Direction of flow is toward the viewer. Yellowstone National Park, Wyoming. n.d. Published as Figure 23, U.S. Geological Survey. Bulletin 1444. 1978.
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Figure caption: Scanning electron micrograph of obsidian grain from about 26 m in drill hole Y-2. Perlitic cracks and shallow solution pits in the grain are partly filled by clinoptilolite and montmorillonite. Scale bar is 30 microns. No index card. Published as Figure 8 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38. Note: Similar to bke00003_mm00716.
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Figure caption: Scanning electron micrograph of an intergrown fibrous mat of pectolite from around 27 m in drill hole Y-3. Scale bar is 3 microns. No index card. Published as Figure 29 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.
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Figure caption: Scanning electron micrograph of fibrous gyrolite from around 28 m in drill hole C-1. Scale bar is 10 microns. No index card. Published as Figure 28 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.
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Figure caption: Scanning electron micrograph of acicular aggregates of bladed dachiardite (d) from 98.1 m in drill core Y-6. Clusters of platy smectite (s) and fibrous mordenite (m) are deposited later than the dachiardite (after Bargar and Beeson 1984). No index card. Published as Figure 5 in Dachiardite from Yellowstone National Park, Wyoming. Canadian Minerologist; 25: 475-483.
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Figure caption: White Elephant Back Terrace (background) and spring MHS-30. The spring occurs along a tension fracture that coincides with the trend of the White Elephant Back Terrace. Length of the pool is approximately 3 m. No index card. Published as Figure 13 in U.S. Geological Survey. Bulletin 1444. 1978.
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Figure caption: Grand Canyon of the Yellowstone River and Lower Falls. Photo by Keith E. Bargar. No index card. Published as Photograph 2 on the cover of U.S. Geological Survey. Open-File Report 86-573. 1986.
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Figure caption: Scanning electron micrograph of cavity filling from 60.2 m in the Y-3 drill core. Micrograph shows, in apparent depositional sequence, quartz crystals (uuper left and lower right), dachiardite (blocky crystals extending diagonally from lower left to right center), radiating fibrous mordenite crystals, and numerous tiny smectite crystal clusters (after Bargar and others, 1981). No index card. Published as Figure 7 in U.S. Geological Survey. Professional Paper 1054-C. 1985.
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Figure caption: Scanning electron micrograph showing a closeup of acicular aggregates of polysynthetically twinned bladed dachiardite from 98.1 m in drill core Y-6. The monoclinic dachiardite crystals are partly coated by fibrous mordenite crystals (m) and smectite (s). (Graphics on published photograph). May 8, 1981. No index card. Published as Figure 11 in U.S. Geological Survey. Professional Paper 1054-B. 1984.
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Figure caption: Scanning electron micrographs of drill core Y-6 showing cubic fluorite crystals from 91.7 m. Smectite partly coats the fluorite. December 3, 1981. No index card. Published as Figure 18-B in U.S. Geological Survey. Professional Paper 1054-B. 1984.
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Album caption and index card: Terracettes and overhanging terracette deposits of New Highland Spring. Yellowstone National Park, Wyoming. n.d. Published as Figure 11, U.S. Geological Survey. Bulletin 1444. 1978.
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Figure caption: Scanning electron micrographs from drill core Y-3 at 65.5 m. Spherical cluster of aegirine crystals and later pectolite fibrous crystals. No index card. Published as Figure 15-A in U.S. Geological Survey. Professional Paper 1054-C. 1985.
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Figure caption: Boulders on top of Terrace Mountain. Boulders were deposited by a glacier of Pinedale age. (Photograph courtesy of L.J.P. Muffler, U.S. Geological Survey). No index card. Published as Figure 22 in U.S. Geological Survey. Bulletin 1444. 1978.
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Figure caption: Scanning electron micrograph of laumontite crystals from about 86 m in drill hole Y-3. Fine particles on crystals are mixed-layer illite-montmorillonite. Scale bar is 300 microns. No index card. Published as Figure 17 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38. Published as Figure 10 in Calcium zeolites in rhyolitic drill cores from Yellowstone National Park Wyoming. Zeolites '93 Conference Volume, D.W. Ming and F.A. Mumpton, (editors), International Committee on Natural Zeolites, Brockport, NY, 1995: 3-20.
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Figure caption: Scanning electron micrograph of intergrown, tabular, hexagonal truscottite crystals from around 150 m in drill hole Y-2. Scale bar is 50 microns. No index card. Published as Figure 24 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.
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Album caption and index card: Well-developed terracettes at Minerva Spring. Yellowstone National Park, Wyoming. n.d. Published as Figure 9, U.S. Geological Survey. Bulletin 1444. 1978.
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Figure caption: Photomicrograph and scanning electron micrographs of drill core Y-6 at 44.0 m. Spindle-shaped columnar or stacked aggregates of manganese-calcite crystals. No index card. Published as Figure 15-B in U.S. Geological Survey. Professional Paper 1054-B. 1984.
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Figure caption: Scanning electron micrograph of a polycrystalline mat of lepidolite crystals from 28.3 m in drill core Y-3. No index card. Published as Figure 14 in U.S. Geological Survey. Professional Paper 1054-C. 1985.
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Figure caption: Cupid Spring. Small group of terracettes formed along break in slope of runoff area. Algae that grow in the runoff area of this spring impart a reddish-brown color. White travertine is freshly deposited; grayish areas are older travertine deposits from springs that are no longer active. No index card. Published as Figure 10 in U.S. Geological Survey. Bulletin 1444. 1978.
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Figure caption: Scanning electron micrograph of radiating bundles of fibrous erionite crystals from 11.3 m depth in drill core from Y-2. Smectite (S) and intermediate-heulandite (H) are earlier deposits. Scale bar is 50 microns. No index card. Published as Figure 21 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38. Published as Figure 8 in Calcium zeolites in rhyolitic drill cores from Yellowstone National Park Wyoming. Zeolites '93 Conference Volume, D.W. Ming and F.A. Mumpton, (editors), International Committee on Natural Zeolites, Brockport, NY, 1995: 3-20.
map background search result map search result map Well-developed terracettes at Minerva Spring. Yellowstone National Park, Wyoming. No date. Terracettes and overhanging terracette deposits of New Highland Spring. Yellowstone National Park, Wyoming. No date. Hot carbonated spring water undercut the old horizontally bedded travertine deposits in Hot River. Yellowstone National Park, Wyoming. No date. Grand Canyon of the Yellowstone River and Lower Falls. Yellowstone National Park. No date. Scanning electron micrograph of cavity filling from 60.2 m in the Y-3 drill core. Lower Geyser Basin, Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of a polycrystalline mat of lepidolite crystals from 28.3 m in drill core Y-3. Lower Geyser Basin, Yellowstone National Park, Wyoming. No date. Scanning electron micrographs from drill core Y-3 at 65.5 m. Lower Geyser Basin, Yellowstone National Park, Wyoming. No date. View of Cupid Spring, a small group of terracettes formed along break in slope of runoff area. Mammoth Hot Springs area, Yellowstone National Park, Wyoming. No date. View of White Elephant Back Terrace and MHS-30 spring. Mammoth Hot Springs area, Yellowstone National Park, Wyoming. No date. Boulders on top of Terrace Mountain. Mammoth Hot Springs area, Yellowstone National Park, Wyoming. No date. Scanning electron micrograph showing a closeup of acicular aggregates of polysynthetically twinned bladed dachiardite from 98.1 m in drill core Y-6. Upper Firehole River, Yellowstone National Park, Wyoming. 1981. Photomicrograph and scanning electron micrographs of drill core Y-6 at 44.0 m. Upper Firehole River, Yellowstone National Park, Wyoming. No date. Scanning electron micrographs of drill core Y-6 showing cubic fluorite crystals from 91.7 m. Upper Firehole River, Yellowstone National Park, Wyoming. 1981. Scanning electron micrograph of fibrous gyrolite from around 28 m in drill hole C-1. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of an intergrown fibrous mat of pectolite from around 27 m in drill hole Y-3. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of intergrown, tabular, hexagonal truscottite crystals from Y-2 drill hole. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of radiating bundles of fibrous erionite crystals from 11.3 m depth in drill core from Y-2. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of laumontite crystals from about 86 m in drill hole Y-3. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of acicular aggregates of bladed dachiardite from drill core Y-6. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of obsidian grain from about 26 m in drill hole Y-2. Yellowstone National Park, Wyoming. No date. Terracettes and overhanging terracette deposits of New Highland Spring. Yellowstone National Park, Wyoming. No date. Grand Canyon of the Yellowstone River and Lower Falls. Yellowstone National Park. No date. Well-developed terracettes at Minerva Spring. Yellowstone National Park, Wyoming. No date. Hot carbonated spring water undercut the old horizontally bedded travertine deposits in Hot River. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of cavity filling from 60.2 m in the Y-3 drill core. Lower Geyser Basin, Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of a polycrystalline mat of lepidolite crystals from 28.3 m in drill core Y-3. Lower Geyser Basin, Yellowstone National Park, Wyoming. No date. Scanning electron micrographs from drill core Y-3 at 65.5 m. Lower Geyser Basin, Yellowstone National Park, Wyoming. No date. View of Cupid Spring, a small group of terracettes formed along break in slope of runoff area. Mammoth Hot Springs area, Yellowstone National Park, Wyoming. No date. View of White Elephant Back Terrace and MHS-30 spring. Mammoth Hot Springs area, Yellowstone National Park, Wyoming. No date. Boulders on top of Terrace Mountain. Mammoth Hot Springs area, Yellowstone National Park, Wyoming. No date. Scanning electron micrograph showing a closeup of acicular aggregates of polysynthetically twinned bladed dachiardite from 98.1 m in drill core Y-6. Upper Firehole River, Yellowstone National Park, Wyoming. 1981. Photomicrograph and scanning electron micrographs of drill core Y-6 at 44.0 m. Upper Firehole River, Yellowstone National Park, Wyoming. No date. Scanning electron micrographs of drill core Y-6 showing cubic fluorite crystals from 91.7 m. Upper Firehole River, Yellowstone National Park, Wyoming. 1981. Scanning electron micrograph of fibrous gyrolite from around 28 m in drill hole C-1. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of an intergrown fibrous mat of pectolite from around 27 m in drill hole Y-3. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of intergrown, tabular, hexagonal truscottite crystals from Y-2 drill hole. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of radiating bundles of fibrous erionite crystals from 11.3 m depth in drill core from Y-2. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of laumontite crystals from about 86 m in drill hole Y-3. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of acicular aggregates of bladed dachiardite from drill core Y-6. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of obsidian grain from about 26 m in drill hole Y-2. Yellowstone National Park, Wyoming. No date.