This annotated photograph shows a geological interpretation of the subvertical feeder dike (red) cutting up through horizontal layers (blue) of the roughly 16-million-year-old Grande Ronde Basalt.

Abstract Petrographic, mineralogical and geochemical investigations were carried out on representative samples from the Mudawwara-Quwayra Dike (MQD) in southernJordan. The MQD intruded Paleozoic and ...

Faculty of Geosciences, University of Bremen, Bremen, Germany Ground magnetic survey profiles across a soil-covered and weathered mafic dike in sedimentary host rock not only permit to delineate the ...

Flood basalt volcanism involves large volumes of magma emplaced into the crust and surface environment on geologically short timescales. The mechanics of flood basalt emplacement, including dynamics ...

Large deposits of basalt − a natural igneous (volcanic) rock − in western Turkmenistan are opening up new vistas in the production of composites, Director of the Institute of Chemistry, Durdymurad ...