WITH the collaboration of Dr. A. K. Wells, this well-known text-book has been revised and extended until now it is virtually a new book. Among the new features are chapters dealing with the ...

Lavas erupted from individual volcanic centres often have one of two distinct compositions. High pressure and temperature experiments on lava samples collected from St Vincent Volcano in the ...

Erg Chech 002, a 4.6-billion-year-old meteorite found in Algeria in May 2020, shows signs of magmatic differentation, suggesting it formed in the crust of a protoplanet.

Gallery: Images of Mars from the Curiosity rover It’s only one rock, but Curiosity has found a mineral composition never before seen on Mars. Calling the results “surprising,” sci… ...

Study Reveals Composition Of Gel-like Substance Discovered By Chang ... of the rover measured surrounding regolith might originate from a differentiated melt pool or from a suite of igneous rocks.