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  • 1
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    The 1950 sulfur flow of Mauna Loa: Considerations for Io (1984)
    In:  CASI
    Details
    Publikationsdatum: 2006-04-06
    Beschreibung: Some of the geological relationships observed in the Mauna Loa sulfur flow may apply in considering volcanic processes on Io. Given the presence of sulfur/sulfur compounds in the eruption plumes and on the surface of Io, it is likely that extensive secondary deposits of sulfur exist, some of which may be of fumarolic origin and analogous to the Mauna Loa deposit. Given the likelihood of silicate volcanism of Io based on the inferred material properties of some flows, and the attendant high temperatures for silicate volcanism, it is likely that the secondary surface deposits of sulfur would have been mobilized without being heated to the high viscosity stage. Mobilized sulfur flows on Io may flow long distances as a result of: (1) low viscosities in the melting range; (2) sustained effusion resulting from continued heating source area; (3) continued remobilization within the flow as a consequence of surges from the source; and (4) extension via lava tubes, or similar conduits through which there is little heat loss. Sulfur flows may form a relatively thin veneer over silicate flows and other surface units, given their fluidity and low mobilization temperature. Active splashing and splattering may spread sulfur over a wider area contributing the bright blooms observed in association with some Ionian flows.
    Schlagwort(e): GEOPHYSICS
    Materialart: NASA. Washington Rept. of Planetary Geol. Program, 1983; p 133-134
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  • 2
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    Kaumana lava tube (1974)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-11
    Beschreibung: The entrance to Kaumana Lava Tube is in a picnic ground next to Highway 20 (Kaumana Drive) about 6.5 km southwest of Hilo. The area is passed on the way to the Kona Coast via the Saddle Road and is identified by a Hawaii Visitors Bureau sign. Although it is not the largest lava tube in the islands, Kaumana Lava Tube is an interesting geological formation, displaying many of the features typical of lava tube interiors. It is accessible, relatively easy to walk through, and is in an excellent state of preservation. The tube developed in a historic lava flow (1881, from Mauna Loa), and many aspects of lava tube activity are observed.
    Schlagwort(e): GEOPHYSICS
    Materialart: NASA. Ames Res. Center Guidebook to the Hawaiian Planetology Conf.; p 233-238
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  • 3
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    Road guide to geological points of interest on the island of Hawaii (1974)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-11
    Beschreibung: This road guide briefly describes the points of geologic interest along the main roads on Hawaii. It begins at Hilo and proceeds around the island in a clockwise direction on State Route 11 to Kailua, then returns to Hilo on State Route 19 to Hilo via Waimea, with side excursions on the other principal roads. Minimum excursion time is two days, allowing only very brief time for the various stops. The return to Hilo from Waimea can be made via Route 19 along the Hamakua Coast (wet, leeward side of island, displaying typical tropical erosion) or via Route 20 over the Humuula Saddle (high, relatively dry and cool; young volcanic features).
    Schlagwort(e): GEOPHYSICS
    Materialart: NASA. Ames Res. Center Guidebook to the Hawaiian Planetology Conf.; p 185-197
    Format: text
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  • 4
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    Aerial reconnaissance over the island of Hawaii (1974)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-11
    Beschreibung: The flight sequence in this guide is nominal and based on optimum weather conditions; it may be altered, depending upon weather and visibility. Also included at the end of the flight sequence for the island of Hawaii are sections for parts of Maui (Haleakala Volcano) and Molokai, which will be flown if Hawaii is completely obscured at flight time.
    Schlagwort(e): GEOPHYSICS
    Materialart: Its Guidebook to the Hawaiian Planetology Conf.; p 113-183
    Format: text
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  • 5
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    Introduction (1974)
    In:  CASI
    Details
    Publikationsdatum: 2006-01-11
    Beschreibung: Historical, geographical, and regional geological settings for the conference are presented that include volcanic stratigraphy, a photographic essay describing various landforms observed during eruptive activity at Kilauea Volcano, and a general discussion of the geology of the island of Hawaii. Also included are guides for field trips to interesting geographic features.
    Schlagwort(e): GEOPHYSICS
    Materialart: NASA. Ames Res. Center Guidebook to the Hawaiian Planetology Conf.; p 1-13
    Format: text
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  • 6
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    Desert pavement study at Amboy, California (1984)
    In:  CASI
    Details
    Publikationsdatum: 2006-04-06
    Beschreibung: Desert pavement is a general term describing a surface that typically consists of a thin layer of cm-sized rock fragments set on top of a layer of finer material in which no fragments are found. An understanding of desert pavement is important to planetary geology because they may play a major role in the formation and visibility of various aeolian features such as wind streaks, which are important on Mars and may be important on Venus. A field study was conducted in Amboy, California to determine the formation mechanism of desert pavements. The probable sequence of events for the formation and evolution of a typical desert pavement surface, based on this experiment and the work of others, is as follows. Starting with a layer of surface material consisting of both fine particles and rock fragments, aeolian deflation will rapidly erode the surface until an armored lag is developed, after which aeolian processes become less important. The concentration of fragments then slowly increases as new fragments are brought to the surface from the subsurface and as fragments move downslope by sheet wash. Sheet wash would be responsible for removing very fine particles from the surface and for moving the fragments relative to one another, forming interlocks.
    Schlagwort(e): GEOPHYSICS
    Materialart: NASA. Washington Rept. of Planetary Geol. Programs; p 169-170
    Format: text
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  • 7
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    Note on the occurrence of driblet spires in the Snake River Plain, Idaho (1971)
    In:  Other Sources
    Details
    Publikationsdatum: 2011-08-16
    Beschreibung: Driblet spires in Snake River Plain, Idaho, discussing basalt lava features and remnants in lunar areas
    Schlagwort(e): GEOPHYSICS
    Materialart: ; YAL SOCIETY (
    Format: text
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  • 8
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    Observations of actively forming lava tubes and associated structures, Hawaii. (1971)
    In:  Other Sources
    Details
    Publikationsdatum: 2011-08-16
    Beschreibung: Fluid basalts were erupted in August, 1970, from a vent near Alae Crater and flowed southeast. Forming exclusively in pahoehoe basalt, tubes in general evolve from lava channels by crustal formation, although some tubes develop directly from the vent. The observation discussed shows that channel crusts and tube roofs form in several ways. Lava channels usually form along the axis of highest velocity within the flow and are often centered along older lava channels, stream beds, rifts, grabens, or fracture zones.
    Schlagwort(e): GEOPHYSICS
    Materialart: Modern Geology; 2; 1971
    Format: text
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  • 9
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    Terrestrial analogs to lunar dimple /drainage/ craters (1970)
    In:  Other Sources
    Details
    Publikationsdatum: 2011-08-16
    Beschreibung: Lunar dimple /drainage/ craters formation mechanisms, considering analogous earth drainage craters associated with lava tubes
    Schlagwort(e): GEOPHYSICS
    Materialart: ; 83 (
    Format: text
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  • 10
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    Lava tubes of the Cave Basalt, Mount St. Helens, Washington. (1972)
    In:  Other Sources
    Details
    Publikationsdatum: 2011-08-16
    Schlagwort(e): GEOPHYSICS
    Materialart: Geological Society of America Bulletin; 83; Aug. 197
    Format: text
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