Tasmanites

Tasmanites formed the Permian “white coal,” or tasmanite, deposits of Tasmania and accumulated to a depth of several feet in deposits that extend for miles. Similar deposits in Alaska yield up to 568 litres (150 gallons) of oil per ton of sediment. Certain Ulvophyceae fossils…

>Tasmanites, and Gloeocapsomorpha. Botryococcus is a colonial alga that lives in brackish or fresh water. Permian kerogen from France appears to consist almost exclusively of Botryococcus colonies, as does the kerogen in Carboniferous and Permian torbanites from Scotland, Australia, and South Africa and Holocene coorongites…