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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.

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.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bargar, K.E. Collection, MM00713 Bargar, K.E. Collection, National Parks, Photographers, Yellowstone National Park, All tags...

Scanning electron micrographs of drill core Y-6 showing cubic fluorite crystals from 91.7 m. Upper Firehole River, Yellowstone National Park, Wyoming. 1981.

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.

Photomicrograph and scanning electron micrographs of drill core Y-6 at 44.0 m. Upper Firehole River, Yellowstone National Park, Wyoming. No date.

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.

Scanning electron micrograph of polysynthetically twinned acicular aggregates of bladed dachiardite from 98.1 m in drill core Y-6. Upper Firehole River, Yellowstone National Park, Wyoming. 1981.

Figure caption: Scanning electron micrograph of polysynthetically twinned acicular aggregates of bladed dachiardite from 98.1 m in drill core Y-6. Fibrous mordenite (m) and boxwork clusters of platy smectite (s) crystals partly coat the striated dachiardite (d) needles. (Graphics on published photograph). May 8, 1981. No index card. Published as Figure 10 in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Scanning electron micrograph showing aggregates of tiny quartz crystals. Upper Firehole River, Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrograph showing aggregates of tiny quartz crystals that are pseudomorphous after bladed calcite and partly coat fibrous mordenite. No index card. Published as Figure 3 in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Scanning electron micrograph showing platy crystals of vermicular stack kaolinite from cavity filling in core Y-6 at 36.5 m. Upper Firehole River, Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrograph showing platy crystals of vermicular stack kaolinite from cavity filling in core Y-6 at 36.5 m. No index card. Published as Figure 21 in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Photomicrograph and scanning electron micrographs of drill core Y-6 at 44.0 m. Upper Firehole River, Yellowstone National Park, Wyoming. 1979.

Figure caption: Photomicrograph and scanning electron micrographs of drill core Y-6 at 44.0 m. Columnar stacked aggregates of manganese-calcite crystals. March 14, 1979. No index card. Published as Figure 15-C in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Scanning electron micrographs of closely packed rhombic manganese-calcite crystals. Upper Firehole River, Yellowstone National Park, Wyoming. 1972.

Figure caption: Scanning electron micrographs of closely packed rhombic manganese-calcite crystals that make up the "columnar" structure shown in Figure 13-A. November 20, 1972. No index card. Published as Figure 13-B in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Photomicrograph and scanning electron micrographs of drill core Y-6 at 44.0 m. Upper Firehole River, Yellowstone National Park, Wyoming. 1978.

Figure caption: Photomicrograph and scanning electron micrographs of drill core Y-6 at 44.0 m. Spindle-shaped manganese-calcite cavity filling. April 28, 1978. No index card. Published as Figure 15-A in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Scanning electron micrograph showing tabular intermediate heulandite crystals. Upper Firehole River, Yellowstone National Park, Wyoming. 1978.

Figure caption: Scanning electron micrograph showing tabular intermediate heulandite crystals and later boxwork smectite (s) and fibrous mordenite (m) (after Bargar and others, 1981). (Graphics on published photograph). November 6, 1978. No index card. Published as Figure 7 in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Scanning electron micrograph showing a boxwork cluster of sheetlike smectite crystals coating mordenite fibers in core Y-6 at 98.1 m. Upper Firehole River, Yellowstone National Park, Wyoming. 1981.

Figure caption: Scanning electron micrograph showing a boxwork cluster of sheetlike smectite crystals coating mordenite fibers in core Y-6 at 98.1 m. May 8, 1981. No index card. Published as Figure 19 in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Photomicrograph and scanning electron micrographs of drill core Y-6 showing stacked "columnar" or "towery" manganese-calcite crystals. Upper Firehole River, Yellowstone National Park, Wyoming. 1978.

Figure caption: Photomicrograph and scanning electron micrographs of drill core Y-6 showing stacked "columnar" or "towery" manganese-calcite crystals lining a cavity at 40.3 m. April 28, 1978. No index card. Published as Figure 14-A in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Photomicrograph and scanning electron micrographs of drill core Y-6 showing stacked manganese-calcite crystals. Upper Firehole River, Yellowstone National Park, Wyoming. 1959.

Figure caption: Photomicrograph and scanning electron micrographs of drill core Y-6 showing stacked manganese-calcite crystals lining a cavity at 40.6 m. March 5, 1959. No index card. Published as Figure 14-B in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Photomicrograph and scanning electron micrographs of drill core Y-6 showing stacked manganese-calcite crystals. Upper Firehole River, Yellowstone National Park, Wyoming. No date.

Figure caption: Photomicrograph and scanning electron micrographs of drill core Y-6 showing stacked rounded aggregate of rhombic manganese-calcite crystals from 40.6 m. No index card. Published as Figure 14-C in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Scanning electron micrograph showing granular cavity filling from core Y-6 at 40.3 m. Upper Firehole River, Yellowstone National Park, Wyoming. 1981.

Figure caption: Scanning electron micrograph showing granular cavity filling from core Y-6 at 40.3 m. Subhedral dipyramidal quartz grains are coated by smectite (identified by X-ray diffraction). December 3, 1981. No index card. Published as Figure 4 in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Scanning electron micrograph showing radiating cluster of sheetlike smectite crystals coating quartz crystals in core Y-6 at 91.8 m. Upper Firehole River, Yellowstone National Park, Wyoming. 1981.

Figure caption: Scanning electron micrograph showing radiating cluster of sheetlike smectite crystals coating quartz crystals in core Y-6 at 91.8 m. December 3, 1981. No index card. Published as Figure 20 in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Scanning electron micrographs of drill core Y-6 showing cluster of octahedral fluorite crystals deposited in a cavity at 78.5 m. Upper Firehole River, Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrographs of drill core Y-6 showing cluster of octahedral fluorite crystals deposited in a cavity at 78.5 m. Fibrous mordenite is a later deposit. No index card. Published as Figure 18-A in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Scanning electron micrograph showing euhedral hexagonal apatite crystals in a core Y-6 cavity at 40.6 m. Upper Firehole River, Yellowstone National Park, Wyoming. 1981.

Figure caption: Scanning electron micrograph showing euhedral hexagonal apatite crystals in a core Y-6 cavity at 40.6 m. The apatite crystals are partly coated by l ater smectite, dipyramidal quartz crystals, and mordenite fibers. December 3, 1981. No index card. Published as Figure 17 in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Scanning electron micrographs of "Columnar" manganese-calcite from 40.4 m in drill core Y-6. Upper Firehole River, Yellowstone National Park, Wyoming. 1972.

Figure caption: Scanning electron micrographs of "Columnar" manganese-calcite from 40.4 m in drill core Y-6. November 20, 1972. No index card. Published as Figure 13-A in U.S. Geological Survey. Professional Paper 1054-B. 1984.

Scanning electron micrograph showing an aggregate of curved rhombic siderite crystals from core Y-6 at 35.0 m. Upper Firehole River, Yellowstone National Park, Wyoming. No date.

Figure caption: Scanning electron micrograph showing an aggregate of curved rhombic siderite crystals from core Y-6 at 35.0 m. No index card. Published as Figure 16 in U.S. Geological Survey. Professional Paper 1054-B. 1984.