Article on National Driller Magazine.
Geoarchaeology
Geology of Ancient Mediterranean Harbors – Studying Sediments for Clues to the Past
Geoarchaeology is a fascinating application of geologic tools and disciplines, and I came across a post on the Through the Sandglass blog about a Geology Today article on “Coastal and ancient harbour archaeology”. In a […]
Geoarchaeology
Geotechnical Contractor DBM Digs Up 13,000+ Year Old Mammoth Tusk in Drilled Shaft Excavation
Specialty Geotechnical Contractor DBM was excavating a drilled shaft for the I-5 interchange in Ridgefield, Washington when they dug up something unusual at a depth of 30-ft. At first the WSDOT inspector thought it looked […]
Geoarchaeology
Drilling for Origins of Humanity
Lake Malawi is an African rift lake, formed as the earth’s crust is slowly spreading apart. This lake is one of the deepest in the world and one of the lead geologists, Dr. Andy Cohen of the University of Arizona (go Cats!) says that the lake "acts like a rain gauge" and through their drilling expedition they have determined that the lake at one time dropped nearly 2,000 ft between 135,000 and 90,000 years ago. This drought in what is now a lush tropical part of Africa may explain why Man’s early ancestors migrated from that continent. More after the break.