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Album caption: Wyo - Y.S.N.P. Index card: Minute Geyser in major eruption about 20 m high. Geyser was later vandalized by filling its large western vent (left) with rocks that became firmly cemented by sinter. The small eastern vent, here steaming vigorously, continues to have minor eruptions several meters high. View is looking northeast. Norris Geyser Basin. Yellowstone National Park. Wyoming. September 1947. Published as Figure 46 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Coral Spring, discharging high SiO2 water that ponds and cools enough to polymerize to light-scattering colloidal SiO2 with characteristic opalescent- blue color. Note thin sinter crusts deposited at water level and flowline trends (center). Piece of wood in the left foreground is about 0.3 m long. Norris Geyser Basin. Yellowstone National Park, Wyoming. September 1959. Published as Figure 9 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Accumulated frozen spray about 4 m thick from Africa Geyser, melting mainly from base upward due to high near-surface heat flow in Porcelain Basin. Note basal discontinuity of snow layering and partial melting of layers adjacent to the warm stream. Norris Geyser Basin. Yellowstone National Park. Wyoming. April 1979. Published as Figure 61 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Ornate terraced sinter vent of a short-lived spring at the south end of Porcelain Terrace. Note natural levees of white opaline sinter that confined most discharge to a single channel away from vent. Colors are darker where water is deeper. Hammer for scale. Norris Geyser Basin. Yellowstone National Park. Wyoming. September 25, 1967. Published as Figure 48 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Near view of "cinders" of Cinder Pool. Origin was unknown until 1969, when temperature profiles were measured. All floating "cinders" were black in 1969 but by September 1984 (this photograph, each about 1 mm in diameter) about 35 percent were golden in reflected light (for unknown reasons, Fe sulfide was dispersed in only about two-thirds of "cinders."). Norris Geyser Basin. Yellowstone National Park. Wyoming. September 1984. Published as Figure 41 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Black Growler fumarole, which has had as many as five vents ranging in temperature from nearly boiling to 138° C. The noisiest fumarole shifts from one to another with time; the hottest or noisiest is commonly called the Black Growler (left vent in this photo). Norris Geyser Basin. Yellowstone National Park. Wyoming. June 6, 1950. Published as Figure 30 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption and index card: Apparatus used to measure temperatures at Y-1 drill hole as drilling progressed. Stainless steel wire on a reel (lower left, on drilling platform); wire extends over an aluminum sheave, through a threaded plug and is attached to lead weight. A maximum-reading mercury thermometer screws into the bottom of the lead weight, thus permitting emplacement of thermometer as close as possible to drilled bottom. The four-inch pipe upon which the sheave is mounted constitutes a pressure chamber, which extends below the drilling platform. The pipe is fastened either to the main valve (photo no. 6) or to a valve on the uppermost of the drill rods in the hole. Yellowstone National Park, Wyoming....
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Album caption: Wyo - Y.S.N.P. Index card: Porkchop Geyser (spring), showing flowline trends in sinter. Hottest water rises from vent (foreground, slightly blue), flows out over pool's surface (low density) and cools, then descends down maximum slope (compare with swirling descent of Coral Spring (D.E. White 7ct wde00007_ct)). Residence time of water in this pool is seldom long enough for SiO2 to polymerize, but the opalescent blue of colloidal SiO2 has been observed. Brown algae grows on cool borders that are continuously wet; white sinter is dry except during eruptions when temperatures are too high and variable to sustain algae. Norris Geyser Basin. Yellowstone National Park, Wyoming. September 2, 1959. Published...
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Album caption: Wyo - Y.S.N.P. Index card: Merging of nearly neutral and acid discharge streams in Porcelain Basin. Colors are mostly from inorganic chemical precipitates, but greens are thermophilic organisms. Norris Geyser Basin. Yellowstone National Park. Wyoming. September 1, 1969. Published as Figure 26 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Cinder Pool half- covered with floating black "cinders" of native sulfur containing gas cavities and dispersed black iron sulfide. View is northward across Tantalus Creek. Orange backback at right for scale. Norris Geyser Basin. Yellowstone National Park. Wyoming. September 24, 1975. Published as Figure 34 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Vermillion Spring, an acid SO4 water consisting of condensed steam, surface drainage, oxidized sulfate from H2S, and suspended ferric oxide; diameter is about 2 m. Color changes season to season and year to year as constituent proportions and pH change. Norris Geyser Basin. Yellowstone National Park. Wyoming. September 1947. Published as Figure 29 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Hydrophane Springs after widespread reactivation in 1982. For many years this area of thick white sinter (gray and brown on weathered surfaces) had no surface discharge but had standing water levels and local boiling around 2 m below general level. Here, opalescent high-SiO2 water has discharged and polymerized from new high-level vents and flowed subsurface, perhaps into lower vents, eastward into Gray Lakes. View looking north; nearest pool is 1-1 1/2 m in diameter. Norris Geyser Basin. Yellowstone National Park, Wyoming. April 1983. Published as Figure 17 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Echinus Geyser pool and discharge area about 5 minutes after the end of an eruption in July 1965. Brown and yellow-brown spinose sinter is characteristic of sinter from acid water high in Fe, Mn, As, and Al, which here covers old blocks of opaline sinter, white on fresh surfaces, underlain about 1 m by logs yielding a 14C age of about 530 year B.P. Diameter of pool at the then-existing water level was about 2 m. Interlayered pyrite and marcasite occur in veins as much as 1 cm wide near and below water level. Norris Geyser Basin. Yellowstone National Park. Wyoming. July 1965. Published as Figure 23 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Coral Spring of figure 9 (D.E. White 7ct) now nondischarging and self-sealed by May 21, 1966. Its former exquisite sinter- lined borders are partly disintegrated. Note increased prominence of former flowline trends and dark algae responsive to low temperatures. Norris Geyser Basin. Yellowstone National Park, Wyoming. May 21, 1966. Published as Figure 10 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Drill core from -92.7 m (-304 ft) in Y-12 drill hole, showing three stages of hydrothermal alteration: (1) early Fe-oxide staining (brown), (2) bleaching (light tan), and (3) filling of late fractures with white kaolinite-a-cristobalite-montmorillonite. Norris Geyser Basin. Yellowstone National Park. Wyoming. 1984. (Photo by USGS). Published as Figure 66 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Primrose Springs, showing contrasting colors characterized by varied chemistry of waters and inorganic precipitates. Black is FeS in near pool (about 1 m in diameter), browns are Fe oxides, and white and light gray are from precipitated colloidal SiO2. Norris Geyser Basin. Yellowstone National Park. Wyoming. October 19, 1967. Published as Figure 55 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Valentine Geyser; strongest steam plume (on left) and dispersed vents of Black Growler (fumaroles, center and upper right) distributed around the margins of Valentine's crater cut into block-jointed Lava Creek Tuff. Note bleached (gray) borders and unbleached (red-brown) centers of joint blocks behind Valentine's steam plume, right side. Norris Geyser Basin. Yellowstone National Park, Wyoming. September 29, 1967. Published as Figure 15 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Steaming ground 10 to 20 m southeast of Carnegie II drill hole, five days before boiling temperatures and water overpressures were first measured in research drill hole Y-9, 130 m to the south-southwest, on October 5, 1967. Note that no visible fluids were escaping near the Carnegie II monument. Norris Geyser Basin. Yellowstone National Park. Wyoming. September 30, 1967. Published as Figure 38 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Green Dragon Spring, discharging acid Cl-SO4 water of long-debated origin. Only visible production of S and sulfates (yellow and orange) is on roof and sides of Dragon's Mouth. Water discharges from three vents (one under ledge) into Gray Lakes, and both features have nearly the same total discharge. Green Dragon is now viewed as partly recirculated Gray Lakes' water in which thermophylic organisms oxidize H2S to sulfate at high temperatures. Surging in foreground is about .4 m in diameter. Norris Geyser Basin. Yellowstone National Park. Wyoming. September 1947. Published as Figure 24 in U.S. Geological Survey. Professional Paper 1456. 1988.
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Album caption: Wyo - Y.S.N.P. Index card: Central Porcelain Basin with many acid and few neutral springs, looking northeast to Porcelain Terrace, an area of frequent changes, where youngest sinter is white and old sinter is gray to tan. Norris Geyser Basin. Yellowstone National Park. Wyoming. September 1947. Published as Figure 25 in U.S. Geological Survey. Professional Paper 1456. 1988.


map background search result map search result map Coral Spring in Norris Geyser Basin discharging high SiO2 water that ponds and cools enough to polymerize to light-scattering colloidal SiO2 with characteristic opalescent- blue color. Yellowstone National Park, Wyoming. 1959. Coral Spring in Norris Geyser Basin now non-discharging and self-sealed by May 21, 1966. Yellowstone National Park, Wyoming. 1966. Porkchop Geyser (spring) in Norris Geyser Basin, showing flowline trends in sinter. Yellowstone National Park, Wyoming. 1959. Valentine Geyser: strongest steam plume on the left and dispersed vents of Black Growler distributed around the margins of Valentine's crater. Yellowstone National Park, Wyoming. 1967. Hydrophane Springs in Norris Geyser Basin after widespread reactivation in 1982. Yellowstone National Park, Wyoming. 1983. Echinus Geyser pool and discharge area in Norris Geyser Basin about five minutes after the end of an eruption in July 1965. Yellowstone National Park, Wyoming. 1965. Green Dragon Spring in Norris Geyser Basin, discharging acid Cl-So4 water of long-debated origin. Yellowstone National Park, Wyoming. 1947. Central Porcelain Basin in Norris Geyser Basin with many acid and few neutral springs, looking northeast to Porcelain Terrace. Yellowstone National Park, Wyoming. 1947. Merging of nearly neutral and acid discharge streams in Porcelain Basin in Norris Geyser Basin. Yellowstone National Park, Wyoming. 1969. Vermillion Spring in Norris Geyser Basin, an acid SO4 water. Yellowstone National Park, Wyoming. 1947. Black Growler fumarole in Norris Geyser Basin. Yellowstone National Park, Wyoming. 1950. Cinder Pool in Norris Geyser Basin half-covered with floating black "cinders" of native sulfur. Yellowstone National Park, Wyoming. 1974. Steaming ground 10 to 20 meters southeast of Carnegie II drill hole in Norris Geyser Basin. Yellowstone National Park, Wyoming. 1947. "Cinders" of Cinder Pool in Norris Geyser Basin. Yellowstone National Park, Wyoming. 1984. Minute Geyser in Norris Geyser Basin in major eruption about 20 meters high. Yellowstone National Park, Wyoming. 1947. Ornate terraced sinter vent of a short- lived spring at the south end of Porcelain Terrace in Norris Geyser Basin. Yellowstone National Park, Wyoming. 1967. Primrose Springs in Norris Geyser Basin, showing contrasting colors characterized by varied chemistry of waters and inorganic precipitates. Yellowstone National Park, Wyoming. 1967. Accumulated frozen spray about 4 meters thick from Africa Geyser in Norris Geyser Basin. Yellowstone National Park, Wyoming. 1979. Drill core from -92.7 m (-304 ft) in Y-12 drill hole, showing three stages of hydrothermal alteration. Yellowstone National Park, Wyoming. 1984. Apparatus used to measure temperatures at Y-1 drill hole as drilling progressed. Yellowstone National Park, Wyoming. No date. Coral Spring in Norris Geyser Basin discharging high SiO2 water that ponds and cools enough to polymerize to light-scattering colloidal SiO2 with characteristic opalescent- blue color. Yellowstone National Park, Wyoming. 1959. Coral Spring in Norris Geyser Basin now non-discharging and self-sealed by May 21, 1966. Yellowstone National Park, Wyoming. 1966. Porkchop Geyser (spring) in Norris Geyser Basin, showing flowline trends in sinter. Yellowstone National Park, Wyoming. 1959. Valentine Geyser: strongest steam plume on the left and dispersed vents of Black Growler distributed around the margins of Valentine's crater. Yellowstone National Park, Wyoming. 1967. Hydrophane Springs in Norris Geyser Basin after widespread reactivation in 1982. Yellowstone National Park, Wyoming. 1983. Echinus Geyser pool and discharge area in Norris Geyser Basin about five minutes after the end of an eruption in July 1965. Yellowstone National Park, Wyoming. 1965. Green Dragon Spring in Norris Geyser Basin, discharging acid Cl-So4 water of long-debated origin. Yellowstone National Park, Wyoming. 1947. Central Porcelain Basin in Norris Geyser Basin with many acid and few neutral springs, looking northeast to Porcelain Terrace. Yellowstone National Park, Wyoming. 1947. Merging of nearly neutral and acid discharge streams in Porcelain Basin in Norris Geyser Basin. Yellowstone National Park, Wyoming. 1969. Vermillion Spring in Norris Geyser Basin, an acid SO4 water. Yellowstone National Park, Wyoming. 1947. Black Growler fumarole in Norris Geyser Basin. Yellowstone National Park, Wyoming. 1950. Cinder Pool in Norris Geyser Basin half-covered with floating black "cinders" of native sulfur. Yellowstone National Park, Wyoming. 1974. Steaming ground 10 to 20 meters southeast of Carnegie II drill hole in Norris Geyser Basin. Yellowstone National Park, Wyoming. 1947. "Cinders" of Cinder Pool in Norris Geyser Basin. Yellowstone National Park, Wyoming. 1984. Minute Geyser in Norris Geyser Basin in major eruption about 20 meters high. Yellowstone National Park, Wyoming. 1947. Ornate terraced sinter vent of a short- lived spring at the south end of Porcelain Terrace in Norris Geyser Basin. Yellowstone National Park, Wyoming. 1967. Primrose Springs in Norris Geyser Basin, showing contrasting colors characterized by varied chemistry of waters and inorganic precipitates. Yellowstone National Park, Wyoming. 1967. Accumulated frozen spray about 4 meters thick from Africa Geyser in Norris Geyser Basin. Yellowstone National Park, Wyoming. 1979. Drill core from -92.7 m (-304 ft) in Y-12 drill hole, showing three stages of hydrothermal alteration. Yellowstone National Park, Wyoming. 1984. Apparatus used to measure temperatures at Y-1 drill hole as drilling progressed. Yellowstone National Park, Wyoming. No date.