Burra-Moko Head Sandstone is a type of
sedimentary rock
Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation. Sedimentation is the collective name for processes that cause these particles ...
occurring in the
Sydney Basin in eastern
Australia. This stratum is up to 112 metres thick. The rock is composed of
quartzose to
quartz
Quartz is a hard, crystalline mineral composed of silica ( silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical ...
lithic sandstone
Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks.
Most sandstone is composed of quartz or feldspar (both silicates ...
. It is situated below the
Mount York Claystone in the
Blue Mountains. Formed in the early
Triassic
The Triassic ( ) is a geologic period and system (stratigraphy), system which spans 50.6 million years from the end of the Permian Period 251.902 million years ago (Year#Abbreviations yr and ya, Mya), to the beginning of the Jurassic Period 201.36 ...
, it is part of the
Narrabeen Group
The Narrabeen group of sedimentary rocks occurs in the Sydney Basin in eastern Australia. This series of rocks was formed in the Triassic Period.
Geology
It includes various rock types including lithic sandstone, quartz sandstone, siltstones, ...
of sedimentary rocks.
See also
*
Sydney Basin
*
Banks Wall Sandstone
*
Blue Mountains Basalts
*
Mount York Claystone
*
Narrabeen group
The Narrabeen group of sedimentary rocks occurs in the Sydney Basin in eastern Australia. This series of rocks was formed in the Triassic Period.
Geology
It includes various rock types including lithic sandstone, quartz sandstone, siltstones, ...
References
Geologic formations of Australia
Triassic Australia
Sandstone formations
Geology of New South Wales
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