IGNEOUS ROCKS. Trappean rocks, with hot fountain.
CALCAREOUS TUFA. Arkose, or granitic grit, with modern shells covered by calcareous tufa. Sea.
Livingstone, David, 1813-1873 • SECTION 335
COMPACT SILICEOUS SCHIST.
← Missionary Travels and Researches in South Africa
Public domain in the USA; original historical text digitized by Project Gutenberg.