geology of the chiang mai basin - coordinating … chiangmai_basin_fw.pdf · chiang mai basin -...
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GEOLOGY OF THE CHIANG MAI BASIN
A Review
CENOZOIC BASINS IN THAILAND
Morley et al. (in press)
CENOZOIC BASINS IN NORTHERN THAILAND
Morley et al. (in press)
GEOLOGIC MAP
DMR (2007)
1-2
3
DEPOCENTRES - INTERPRETED FROM GRAVITY
Morley et al. (in press)
METAMORPHIC COMPLEX
Morley et al. (in press)
METAMORPHIC COMPLEX
MacDonald et al. (2010)
ROCK TYPES & MINERAL COMPOSITIONS
Orthogneiss
Paragneiss
MacDonald et al. (2010)
ROCK TYPES & MINERAL COMPOSITIONS
Calc-slilicate gneiss
Granitic Mylonite
MacDonald et al. (2010)
GEOLOGIC MAP
DMR (2007)
Tertiary Outcrop - MAE TAENG
Tertiary Outcrop - MAE MALAI BYPASS
GEOLOGIC MAP
DMR (2007)
SEISMIC INTERPRETATION
Morley C.K. (pers. comm.)
GEOLOGIC MAP
DMR (2007)
SEISMIC INTERPRETATION
GEOLOGIC MAP
Top-Tertiary unconformity
Detachment at Top Pre-Tertiary
Potential active fault
All of the faults appear to be normal and some (blue lines)
coincide with offset reflections at Quaternary level.
under-migrated
basement signals?
Seismic results from SEG sponsored ‘Geoscientist Without Borders’ field camp 2010
CHIANG MAI BASIN - SCHEMATIC PROFILE