Among these sites are the Ordovician rocks of Qomolangma — also known as Mount Everest — in Xizang autonomous region, the Early Cretaceous Rhyolitic Columnar Rock Formation of Hong Kong ...
Basaltic magma is trapped inside the chamber by denser, overlying rhyolitic magma, which floats on top of the liquid basalt like cream on milk. By looking at the way sound waves created by ...
A surface radiometric survey conducted by Phillips in 1981 detected areas of anomalous radiation (>200 counts per second), although the correlation with argillic alteration zones was imperfect.