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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: Scanning electron micrograph of intergrown blocky clinoptilolite crystals from around 27 m in drill hole Y-2. The few tiny white hemispheral concentrations are montmorillonite crystals deposited later than the clinoptilolite. Scale bar is 50 microns. No index card. Published as Figure 6 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.
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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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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.
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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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Photo caption: 5/20/77. Y2- 46.5. Intermediate heulandite and montmorillomite. Figure caption: Scanning electron micrograph of altered glass from 14.2 m. A montmorillonite-filled former hydration crack shown in left half of photo. Rigth half shows area between clay-filled hydration cracks in which tabular- or "tombstone" - shaped intermediate heulandite crystals are oriented perpendicular to remanent hydration cracks. Fibrous mordenite and clusters of montmorillonite platelets are later than the heulandite. White bar at bottom left is 10 microns. (After Bargar et al., 1981). No index card. Published as Figure 5 in Hydrothermal alteration in research drill hole Y-2, Lower Geyser Basin, Yellowstone National Park,...
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Photo caption: 5/20/77. Y2 - 46.5. Montmorillonite and intermediate heulandite. Figure caption: Scanning electron micrograph showing a detailed paragenetic sequence of hydrothermal minerals from 14 m in drill hole Y-2. Intermediate heulandite crystals are partly coated by mordenite fibers (upper right-hand corner) and spherical or hemispherical aggregates of montmorillonite platelets. Scale bar is 1 micron. No index card. Published as Figure 5 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.
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Figure caption: Scanning electron micrograph of a rosette of tabular truscottite on leached potassium-feldspar from around 120 m in drill hole Y-13. Scale bar is 20 microns. No index card. Published as Figure 26 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.
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Figure caption: Scanning electron micrograph of dachiardite crystals intergrown with clinoptilolite (lower right) from 23 m in drill hole Y-2. Fine mordenite fibers and scattered coatings of montmorillonite are later than the dachiardite. Scale bar is 50 microns. No index card. Published as Figure 18 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38. Published as Figure 7 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 a large radiating cluster of dachiardite crystals deposited on hydrothermal quartz crystals in a cavity at about 60 m in drill hole Y-3. Paragenetic sequence of quartz (upper left and lower right), blocky dachiardite crystals (extending from upper right to left centre), radiating fibrous mordenite crystals, and numerous clusters of tiny smectite crystals (after Bargar et al. 1981). No index card. Published as Figure 12 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38. Published as Figure 3-B in Dachiardite from Yellowstone National Park, Wyoming. Canadian Minerologist; 25: 475-483. Published as Figure 11 in Calcium zeolites...
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Photo caption: Y-13 analcime-wairakite. Figure caption: Electron microprobe beam scans across part of a zeolite crystal from about 50 m in drill hole Y-13. In both photographs, the center of the crystal is at left, and part of the outer rim is near the upper right-hand corner of the scan. Scale bar is 14 microns. Distribution of sodium. Crystal is sodium-rich analcime near the center and at the rim (brightest areas). Innermost part contains abundant potassium (coincident with the dark oblong part). No index card. Published as Figure 16-A in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.
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Figure caption: Scanning electron micrograph showing closely associated fibrous mordenite and stubby bundles of bladed dachiardite crystals from 72.2 m in drill core Y-6 (after Bargar, et al. 1981). No index card. Published as Figure 19 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38. Published as Figure 4 in Dachiardite from Yellowstone National Park, Wyoming. Canadian Minerologist; 25: 475-483.
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Photo caption: 11/16/78. Y2 - 462.0. Mordenite. Figure caption: Scanning electron micrograph of altered glassy rhyolite from around 140 m in drill hole Y-2. Remnant perlitic texture is preserved by feathery clusters of intergrown short mordenite fibers generally oriented with their long axes perpendicular to former hydration cracks. X-ray diffraction also indicates the presence of illite. Scale bar is 30 microns. No index card. Published as Figure 4 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.
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Figure caption: Scanning electron micrograph of the inset part of Figure 8 (bke00029_mm00716), showing a bladed clinoptilolite rosette and boxwork of montmorillonite. Scale bar is 5 microns. No index card. Published as Figure 9 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.
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Figure caption: Electron microprobe beam scans across part of a zeolite crystal from about 50 m in drill hole Y-13. In both photographs, the center of the crystal is at left, and part of the outer rim is near the upper right-hand corner of the scan. Scale bar is 14 microns. Distribution of calcium in the same area. Between the center and the rim is a patch of calcium-rich wairakite (brightest area). No index card. Published as Figure 16-A in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.
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Figure caption: Scanning electron micrograph showing the intergrown, platy habit of okenite from around 24 m in drill hole Y-13. Scale bar is 20 microns. No index card. Published as Figure 27 in Zeolites in Yellowstone National Park. The Mineralogical Record; 12: 29-38.
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Figure caption: Scanning electron micrograph showing a closer view of an acicular aggregate of parallel twinned bladed crystals of dachiardite from 98.1 m in drill core Y-6. Fibrous mordenite (m) and smectite (s) are later deposits (after Bargar and Beeson 1984). No index card. Published as Figure 6 in Dachiardite from Yellowstone National Park, Wyoming. Canadian Minerologist; 25: 475-483.


map background search result map search result map Scanning electron micrograph of altered glass from 14.2 m. Yellowstone National Park, Wyoming. 1977. Scanning electron micrograph showing a detailed paragenetic sequence of hydrothermal minerals from 14 m in drill hole Y-2. Yellowstone National Park, Wyoming. 1977. Scanning electron micrograph of altered glassy rhyolite from around 140 m in drill hole Y-2. Yellowstone National Park, Wyoming. 1978. 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 showing the intergrown, platy habit of okenite from around 24 m in drill hole Y-13. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of a rosette of tabular truscottite on leached potassium-feldspar. 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 dachiardite crystals intergrown with clinoptilolite (lower right) from 23 m in drill hole Y-2. 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. Electron microprobe beam scans across part of a zeolite crystal from about 50 m in drill hole Y-13. Yellowstone National Park, Wyoming. No date. Electron microprobe beam scans across part of a zeolite crystal from about 50 m in drill hole Y-13. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph showing closely associated fibrous mordenite and stubby bundles of bladed dachiardite crystals. 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 a large radiating cluster of dachiardite crystals deposited on hydrothermal quartz crystals. 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 showing a closer view of an acicular aggregate of parallel twinned bladed crystals of dachiardite. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of intergrown blocky clinoptilolite crystals from around 27 m in drill hole Y-2. 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. Scanning electron micrograph showing a bladed clinoptilolite rosette and boxwork of montmorillonite. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of altered glass from 14.2 m. Yellowstone National Park, Wyoming. 1977. Scanning electron micrograph showing a detailed paragenetic sequence of hydrothermal minerals from 14 m in drill hole Y-2. Yellowstone National Park, Wyoming. 1977. Scanning electron micrograph of altered glassy rhyolite from around 140 m in drill hole Y-2. Yellowstone National Park, Wyoming. 1978. 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 showing the intergrown, platy habit of okenite from around 24 m in drill hole Y-13. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of a rosette of tabular truscottite on leached potassium-feldspar. 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 dachiardite crystals intergrown with clinoptilolite (lower right) from 23 m in drill hole Y-2. 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. Electron microprobe beam scans across part of a zeolite crystal from about 50 m in drill hole Y-13. Yellowstone National Park, Wyoming. No date. Electron microprobe beam scans across part of a zeolite crystal from about 50 m in drill hole Y-13. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph showing closely associated fibrous mordenite and stubby bundles of bladed dachiardite crystals. 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 a large radiating cluster of dachiardite crystals deposited on hydrothermal quartz crystals. 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 showing a closer view of an acicular aggregate of parallel twinned bladed crystals of dachiardite. Yellowstone National Park, Wyoming. No date. Scanning electron micrograph of intergrown blocky clinoptilolite crystals from around 27 m in drill hole Y-2. 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. Scanning electron micrograph showing a bladed clinoptilolite rosette and boxwork of montmorillonite. Yellowstone National Park, Wyoming. No date.