U.S. Oil & Petroleum Imports (millions of barrels per day)
Oil and petroleum imports data are preliminary numbers taken from the American Petroleum Institute’s Monthly Statistical Report. For more information visit www.api.org.
EARTH Magazine · From the archive
Originally published in EARTH Magazine. This article is part of our archive.
Oil and petroleum imports data are preliminary numbers taken from the American Petroleum Institute’s Monthly Statistical Report. For more information visit www.api.org.
January 29, 2019
By Amanda Brioche, USGS mineral commodity specialist PRODUCTION GEOLOGIC OCCURRENCE Boron does not occur in nature in an elemental state. It is …
January 15, 2019
PRODUCTION Geologic Occurrence Garnet is the general name given to a group of complex silicate minerals, all with isometric crystal structure and …
September 10, 2018
By Stephen M. Jasinski, USGS mineral commodity specialist PRODUCTION GEOLOGIC OCCURRENCE Phosphate rock refers to unprocessed ore and …