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Debris flows, landslides, fossil microatolls, paleo-seasonality, and carbonate ore deposits
Date:8/2/2012

Boulder, Colo., USA Two Geology studies focus on debris flows and landslides, one from the point of view of alpine denudation and the other studying and quantifying hazards to human populations. Subjects of other studies include fossil microatolls and sea level; the potential rupture area for an earthquake offshore of the U.S. Pacific Northwest and British Columbia; paleoclimate; and the relationship between the formation of ore deposits and the growth cycle of microbial communities.

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Debris-flow-dependent variation of cosmogenically derived catchment-wide denudation rates

F. Kober et al., Institute of Geology, ETH Zrich, 8092 Zrich, Switzerland. Posted online 1 August 2012; doi: 10.1130/G33406.1.

Mass movements, and specifically debris flows, are episodic events that can redistribute large amounts of material in alpine catchments are thus a major agent of mountain erosion. If large debris flows close to populated areas occur, they place a considerable natural hazard to infrastructure. Recent focus on debris flows results from climate changes a
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Contact: Kea Giles
kgiles@geosociety.org
Geological Society of America
Source:Eurekalert

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