Hartman, the sponsor of a separate bill to name the orange crush ... dark-colored mineral was first discovered in the United States by geologist Isaac Tyson Jr., who found the rocks in Baltimore ...

KYIV, Ukraine (AP) — After months of tense negotiations, the U.S. and Ukraine signed a deal that is expected to give ...

Petrology is the study of rocks - igneous, metamorphic, and sedimentary - and the processes that form and transform them. Mineralogy is the study of the chemistry, crystal structure and physical ...