That’s a ripple mark left by water that used to sit on top of this before it was rock. This used to be sand and other sediment - that's why it is called sandstone - which is a type of ...

IN the middle of the last century much interest was shown in the problem of the genesis of igneous rocks, and especially in the manner of origin of diverse rock-types from a common stock or from a ...

They look a bit like geodes, but they’re not exactly geodes. There are three types of rock: igneous, metamorphic, and ...

There are two different types of stony ... a variety of rock composed of broken fragments of minerals or rock cemented together by a finer material. The fragments are roughly centimetre-sized and ...

Pockets of microbes have been found living within a sealed fracture in a 2-billion-year-old rock. The rock was excavated from ...

Pockets of microbes have been found living within a sealed fracture in 2-billion-year-old rock. The rock was excavated ... perfect a technique involving three types of imaging -- infrared ...

The sight of a fireball streaking across the sky brings wonder and excitement to children and adults alike. It's a reminder ...

3, p. 329. Lin, Naing Htun Guo ... Early Jurassic highly fractioned rhyolites and associated sedimentary rocks in southern Tibet: constraints on the early evolution of the Neo-Tethyan Ocean.

Scientists found living microbes in a 2-billion-year-old rock in South Africa, providing insights into early life on Earth ...

Microbes -- alive and thriving -- have been found sealed within a fracture of 2-billion-year-old rock beneath Earth's surface ...

A study has identified living microbes in 2-billion-year-old rock from the Bushveld Igneous Complex in South Africa. This ...