Robuta

https://www.usgs.gov/publications/petrography-age-and-paleomagnetism-basaltic-lava-flows-coreholes-test-area-north-tan Petrography, age, and paleomagnetism of basaltic lava flows in coreholes at Test Area North (TAN),... No abstract available. test area north basaltic lava petrography age paleomagnetism