Abstract
Ivory Coast microtektites have recently been found in three piston cores from the Atlantic Ocean. In two of these cores, the microtektites occur in a layer above the base of the Jaramillo geomagnetic event indicating that they fell approximately 0.95 m.y. ago. Major element compositions have been obtained for forty-one of the microtektites by electron microprobe and energy-dispersive X-ray analysis. The geographic location, stratigraphic age and major element compositions indicate that these microtektites are part of the Ivory Coast tektite strewnfield. Present data suggest that the Ivory Coast strewnfield may cover an area of about 4.5 million square kilometers and contain about 20 million metric tons of microtektites.
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