International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B7. Istanbul 2004
5. CONCLUSION
ASTER and Landsat TM mosaic images of the Shagryn Basin in
Western Mongolia were evaluated for neotectonic studies.
Various geomorphic features indicative of active faults such as,
recent fault line scarps, triangular facets, uphill facing scarps,
pressure-ridgés, abrupt change in topographic slope angles along
fault traces, offset drainage, truncated fan and beheaded drainages
were delineated from these datasets. Most of these features were
examined in the field and revealed movements that have occurred
during the Holocene period (past 10,000 years) The field
measurements also assisted the determination of the fault types
(e.g., dextral or sinistral strike-slip faults), displacement
parameters of fault scarps and continuity of fault systems. In
general, the NNW-SSE trending faults are characterised by
right- lateral strike-slip while the sublatitudinal faults are of left
lateral strike-slip origin. The present work complements the
work done by other research using the conventional mapping
approach.
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