Earth:Munmorah Conglomerate

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Munmorah Conglomerate
Stratigraphic range: Early-Triassic
Bird Island New South Wales.jpg
Bird Island, Central Coast, Australia
TypeGeological formation
Unit ofNarrabeen Group
OverliesNewcastle Coal Measures
Thicknessup to 140 metres (460 ft)
Lithology
PrimaryMedium to coarse-grained sandstone and conglomerate
OtherMinor amounts of siltstone and claystone
Location
RegionSydney Basin
CountryAustralia

Munmorah Conglomerate is a geologic formation in the Sydney Basin in eastern Australia . This stratum is up to 140 metres thick. Formed in the early-Triassic, it is part of the Narrabeen Group of sedimentary rocks. This formation includes medium to coarse-grained sandstone and conglomerate. With minor amounts of siltstone and claystone. Below the Munmorah Conglomerates are Newcastle Coal Measures, originating from the Permian.[1][2]

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