Sentences with word «geyserite»

A microscopic image of geyserite textures from the ancient Dresser Formation in the Pilbara Craton in Western Australia.

Previously, the oldest known geyserite had been identified from rocks about 400 million years old.

Both types of structures are preserved in geyserite, a type of rock that is only found in and around freshwater hot springs in volcanic areas on land.

They interpreted the deposits were formed on land, not in the ocean, by identifying the presence of geyserite — a mineral deposit formed from near boiling - temperature, silica - rich, fluids that is only found in a terrestrial hot spring environment.

The researchers inferred the land - based origin of these fossils due to the presence of geyserites, which are mineral deposits found only near terrestrial hot springs.

The silica is also often deposited on the edges of these hot springs, forming elegant formations of sinter or geyserite that create the scalloped edges around hot springs or the hard white cones and air - tight plumbing systems of geysers.