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