Note 93 — Chapter XV · DESCRIPTION OF THE GEOLOGICAL AND GENERAL PHYSICAL FEATURES (continued)
Reading edition
It is referred to genus 16, species D, of the augite-andesites. The felspar-lathes have an average length of ·3 mm.
Reading edition
It is referred to genus 16, species D, of the augite-andesites. The felspar-lathes have an average length of ·3 mm.