The Cattamarra Coal Measures is an Early Jurassic geological unit in Western Australia.
Description They are part of the Perth Basin, and are a sequence of non-marine, probably fluvial sandstones, shales and silts including bituminous coal, and are up to 300 m thick. The Cattamarra Coal Measures conformably overly the Eneabba Formation. - the summary to this thesis in Trove is a detailed overview
The Cattamarra Coal Measures constitute an unconventional tight gas reservoir.
There are well preserved fossil insects from the Jurassic age in the deposit.
See also Toarcian turnover Toarcian formations Marne di Monte Serrone, Italy Calcare di Sogno, Italy Sachrang Formation, Austria Posidonia Shale, Lagerstätte in Germany Ciechocinek Formation, Germany and Poland Krempachy Marl Formation, Poland and Slovakia Lava Formation, Lithuania Azilal Group, North Africa Whitby Mudstone, England Fernie Formation, Alberta and British Columbia Poker Chip Shale Whiteaves Formation, British Columbia Navajo Sandstone, Utah Los Molles Formation, Argentina Mawson Formation, Antarctica Kandreho Formation, Madagascar Kota Formation, India Unconventional (oil & gas) reservoir
References
Further reading
Stratigraphy and petroleum systems elements of the northern Perth Basin S. K. Martin. 2010. Early Jurassic cockroaches (Blattodea) from the Mintaja insect locality, Western Australia. Alavesia 3:55–72 S. K. Martin. 2008. A new protorhyphid fly (Insecta: Diptera: Protorhyphidae) from the Lower Jurassic of the Perth Basin, Western Australia. Alavesia 2:253–257