jaspilite वाक्य

उदाहरण वाक्य

1. Black smoker chimneys are also common, as are seepage mounds of chert, jaspilite and sulfides.
2. In 1954 the hematite ore ( jasper, or jaspilite ) began to be concentrated, and in 1956, the magnetite ore ( taconite ) was concentrated on a large scale.