Ronald F. Broadhead, New Mexico Bureau of Geology and Mineral Resources, a. Division of New Mexico Institute of Mining and Technology. INTRODUCTION. The oil and natural gas that are produced from oil and gas fields reside in porous. and permeable rocks (reservoirs) in which these liquids have collected and accumulated.
Germans (German: Deutsche) are a Germanic ethnic group native to Central Europe, who share a common German ancestry, culture and history, and speak the German language as their native language.
This region, together with neighbouring parts of France and Switzerland, was the original homeland of the Celtic La TÃ¨ne culture. About the time of the Roman expansion northward, in the first centuries bc and ad, Germanic groups were expanding southward into present-day southern Germany.