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https://hdl.handle.net/2440/72020
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Type: | Journal article |
Title: | Probabilistic longevity estimate for the LUSI mud volcano, East Java |
Author: | Davies, R. Mathias, S. Swarbrick, R. Tingay, M. |
Citation: | Journal of the Geological Society, 2011; 168(2):517-523 |
Publisher: | Geological Soc Publ House |
Issue Date: | 2011 |
ISSN: | 0016-7649 2041-479X |
Statement of Responsibility: | Richard J. Davies, Simon A. Mathias, Richard E. Swarbrick and Mark J. Tingay |
Abstract: | A new method for estimating the duration of a mud volcano eruption is applied to the LUSI mud volcano in East Java. The estimate is based upon carbonates at depths in the range 2500–3500 m being the water source, with an estimated area of 100–600 km2, thickness of 0.2–1.0 km, porosity of 0.15–0.25, an initial pressure between 13.9 and 17.6 MPa, and a separate, shallower source of mud (c. 1200–1800 m depth). The resulting 50 percentile for the time it takes for flow to decline to <0.1 Ml day−1 is 26 years. By analogy with natural mud volcanoes it can be expected to continue to flow at lower rates for thousands of years. Assuming subsidence rates of between 1 and 5 cm day−1, land surface subsidence of between c. 95 and c. 475 m can be expected to develop within the 26 year time period. |
Rights: | Copyright Geological Society of London |
DOI: | 10.1144/0016-76492010-129 |
Published version: | http://dx.doi.org/10.1144/0016-76492010-129 |
Appears in Collections: | Aurora harvest Australian School of Petroleum publications |
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