Afghan and Persian Field Notes

Normal geothermal gradient in United States

/ C.E.Van Orstrand

Rotalia Viennoti, an Important Foraminiferal Species from Asia Minor and Western Asia

Earth- Moon System that Penesyngenetically Produces Lunar Terrestrial Anorthosites( 1972)

Correlation of Initial 87Sr / 86Sr with Rb / Sr in Some Late Tertiary Volcanic Rocks of South Arabia