Not too long ago, I was searching for ideas for the next installment of the “Big Chemistry” series when I found an article ...

A mineral called siderite found abundantly in rock drilled by a NASA rover on the surface of Mars is providing fresh evidence ...

Its presence in sedimentary rocks formed billions ... which drills 1.2 to 1.6 inches (3-4 centimeters) down into rock to study its chemical and mineral composition, lend weight to this notion.

Its presence in sedimentary ... became entombed in rocks in the planet's crust as a carbonate mineral. The samples obtained by Curiosity, which drills 1.2 to 1.6 inches (3-4 centimeters) down into ...

The division of lithofacies and diagenesis of each lithofacies are investigated based on the petrology, mineral composition, stable isotope characteristics, major and trace element characteristics, ...