Neranleigh-Fernvale Beds

Neranleigh-Fernvale Beds
Neranleigh-Fernvale Beds
Stratigraphic range: Late Devonian-Early Carboniferous; ~365–332 Ma PreꞒ Ꞓ O S D C P T J K Pg N
	Cabarita Beach, Australia
Type	Geological formation
Thickness	2,500–3,500 m (8,200–11,500 ft)
Lithology
Primary	Sandstone
Other	Siltstone, chert, basalt
Location
Coordinates	28°20′03″S 153°34′26″E / 28.334132°S 153.573864°E
Region	New South Wales & Queensland
Country	Australia
Type section
Named for	Neranwood & Beenleigh
Named by	Bryan and Jones 1950, renamed by Korsch, R.J. & Harrington, H.J., 1981
Year defined	1950
Region	New South Wales & Queensland
Country	Australia
	Neranleigh-Fernvale Beds (Australia) Neranleigh-Fernvale Beds (Queensland)

The Neranleigh-Fernvale beds is a geologic formation in the north east of New South Wales and Queensland, Australia. This formation was created in the Late Devonian to the Early Carboniferous, of a thickness up to 3,500 metres (11,500 ft).

Description

This formation contains a heterogeneous succession of sandstone. Either derived from volcanic action, or locally oolitic. Other constituents include siltstone, chert and minor mafic volcanics including pillow basalt. Conglomerate and jasper, with low metamorphosed greenschist are also present. Basaltic volcanics are interbedded with the Neranleigh-Fernvale sediments. Fossils are rarely encountered.^[1]^[2]^[3]

^ "Neranleigh-Fernvale beds". Geo Science Australia. Australian Government. Retrieved 18 October 2020.
^ Lohe, Eric Manfred. "The Neranleigh-Fernvale beds of southeastern Queensland : petrology, sedimentology, structure metamorphism, and tectonic evolution". University of Queensland. Retrieved 18 October 2020.
^ Henley, H.F., Brown, R.E., Brownlow, J.W., Barnes, R.G., Stroud, W.J., 2001, Grafton-Maclean 1:250 000 Metallogenic Map SH56-6, 7, Geological Survey of New South Wales, Sydney, Map, Map Legend

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