Field Documentation of the Central Sections of two Terrestrial Basaltic Flows, With Application to the Interpretation of Planetary Lava Flows

Details Field Documentation of the Central Sections of two Terrestrial Basaltic Flows, With Application to the Interpretation of Planetary Lava Flows Field Documentation of the Central Sections of two Terrestrial Basaltic Flows, With Application to the Interpretation of Planetary Lava Flows

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufm.p13a1038z&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #P13A-1038

Other

5480 Volcanism (6063, 8148, 8450), 8148 Planetary Volcanism (5480, 8450), 8429 Lava Rheology And Morphology

Scientific paper

Field investigations of the Carrizozo flow, in central New Mexico, and the 1907 flow from Mauna Loa, Hawaii, provide new insights into the emplacement of basaltic lava flows. The central sections of both flows display distinctive characteristics, such as a relatively narrow overall flow width and shallow marginal relief (as compared to the distal portions of the same flow), and either spillover along a medial leveed channel (Mauna Loa) or brecciated pahoehoe plates over a medial lava tube (Carrizozo). We compare and contrast the central portions of both flows, relating the measurements and observations to likely emplacement conditions during emplacement of the two flows. The attributes of the central sections of both flows are quite distinct from both the proximal and distal portions of each flow. Information gained from these observations should be helpful for improving the interpretations of lava flows observed on other planets, such as recent Martian examples of a well-documented lava flow southeast of the Ascraeus Mons volcano and fields of small volcanic cones near the Tharsis Montes.

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