Subject ASC0003sxj
The geological magazine, or, Monthly journal of geology.
Decade 2:v.9 (1882), Page 115 (1882)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32520644
Keywords
The Twt-Hill Conglomerate Quarry Twt Hill Quarry The Twt Hill Conglomerate granitoid rock Quartz conglomerate brown sandstone granitoidite ground plan course conglomerate fine conglomerate finer conglomerate Twt Hill quarry conglomerate ground plan geology cross section section ground rock sand stone sandstone quartz granite mineral sections