Locality
98°30´ east longitude, 18°0´ north latitiude   [ map ]

Name
Mae Sot, Thailand, Asien

Personal relationship of donor
Geological mapping within the scope of Technical Cooperation

Historical relevance of location
The geology of the densely forested mountains of western Thailand was explored to determine the mineral potential of the region. Graptolite shale often contains heavy-metal enrichments and can be a hydrocarbon source rock.

Geological relevance of location
Graptolites are extinct marine animals from the Lower Paleozoic; they lived near the water surface.

Classification of the earth

Structure	graptolite shale, splits easily
Colour	light grey
Age	Silurian, 420 million years

Donor

Geoscientific Collections Section of the Federal Institute for Geosciences and Natural Resources,
 Geological Survey of Lower Saxony,
 Hannover,
 Germany