The American Journal of Science, Band 206

algæ analyses andesine angle anticline appears Aptian augite axis basal face basalt beds calcareous calcite Cañon Carboniferous Cenomanian chemical color contain coral Cretaceous crust deposits depression depth diopside earth east elevation erosion etching evidence feldspar flank floras flows folded forms fossils Geol geological glass grains gray heat Hualalai hydromagnesite hypothesis islands Jour Kilauea Kimmeridgian Kohala labradorite labradorite basalt lavas lime limestone lower luminescence mass Mauna Kea Mauna Loa Middle Cretaceous miles mineral mountain observed occur ocean olivine optical oreodonts oxide Pahala pahoehoe Paleozoic paper parallel phenocrysts phosphorescence picrite-basalt plants portion pre-Pahala present probably radium recent reef region rhombic pyramid rigidity rocks rotation samples sandstone SCI.-FIFTH SERIES seas shales shown shows Sierra species specimens STANFORD striations structure surface syncline temperature theory thick thin tion topaz crystal trachyte Upper Jurassic valley volcanoes yellow