HukaungUpperUnit Fm
Period:
Neogene
Age Interval:
Late Miocene
Province:
Myanmar Central Basins
Type Locality and Naming
Hukaung Basin (east flank), Supram Bum area, [Original Publication: Barber, A. J., Khin Zaw & Crow, M. J. (eds) 2017. Myanmar: Geology, Resources and Tectonics. Geological Society, London, Memoirs, 48, 169-183]
[Figure: Map showing location of sub-basins of the Central Myanmar Basin (after Myint Thein and M. Maung 2017)]
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Lithology and Thickness
Sandstone. Coarse, buff sandstones with bands of gravel.
Lithology Pattern:
Coarse-grained sandstone
Relationships and Distribution
Lower contact
Conformable with HukaungMiddleUnit Fm
Upper contact
Unconformable with Irrawaddy Fm
Regional extent
This Fm is developed in Hukaung Basin (east flank).
[Figure: a) Composite stratigraphic correlation of Myanmar Central Basins (after Than et al., 2017)]
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GeoJSON
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Fossils
Age
Late Miocene
Age Span:
Beginning stage:
Tortonian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
11.63
Ending stage:
Messinian
Fraction up in the ending stage:
1.0
Ending date (Ma):
5.34
Depositional setting
Fluviatile Environment.
Depositional pattern:
Additional Information
Compiler:
Myint Thein and Maung Maung (Myint Thein and Maung Maung the Eastern (Back-arc) Basin of Central Myanmar: Basement rocks, lithostratigraphic units, palaeocurrents, provenance and developmental history, Chapter 8 in Barber, A. J., Khin Zaw & Crow, M. J. (eds) 2017. Myanmar: Geology, Resources and Tectonics. Geological Society, London, Memoirs, 48, 169-183)