Pindaya Gr
Period:
Ordovician
Age Interval:
Early-Late Ordovician
Province:
Myanmar Shan Region
Type Locality and Naming
Shan South Plateau, [Original Publication: Barber, A. J., Khin Zaw & Crow, M. J. (eds) 2017. Myanmar: Geology, Resources and Tectonics. Geological Society, London, Memoirs, 48, 317-342]
Lithology and Thickness
Siltstone. Phacoidal and argillaceous limestones, calcareous mudstone, argillaceous and arenaceous rocks. Upward succession of Lokepyin Fm, Wunbye Fm and Nan-On Fm
Lithology Pattern:
Siltstone
Relationships and Distribution
Lower contact
Conformable with Tanshauk Mbr Fm
Upper contact
Conformable with Wunbye Fm / Lokepyin Fm
Regional extent
This Gr is developed in South State of Shan Plateau.
GeoJSON
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Fossils
The small brachiopods, new species of straight-coned nautiloids, fragments of the trilobites.
Age
Early-Late Ordovician[Figure: Stratigraphical correlation of the Cambrian–Devonian rocks of Myanmar Shan region with those of northern Thailand and NW Malaysia. Asterisks indicate the levels at which fossils useful in correlation were found (after Aung&Cocks, 2017)]
Age Span:
Beginning stage:
Sandbian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
458.18
Ending stage:
Floian
Fraction up in the ending stage:
1.0
Ending date (Ma):
471.26
Depositional setting
Shallow supratidal, intertidal and partly subtidal environments.
Depositional pattern:
Additional Information
Compiler:
Aye Ko Aung and L. Robin M. Cocks (Aung & Cocks, Cambrian–Devonian stratigraphy of the Shan Plateau, Myanmar (Burma), Chapter 14 in Barber, A. J., Khin Zaw & Crow, M. J. (eds) 2017. Myanmar: Geology, Resources and Tectonics. Geological Society, London, Memoirs, 48, 317-342).