Add to ORKGThin sections were made of rocks collected from Mt. Kilimanjaro, Mt. Meru, Ngorongoro crater, and Lake Manyara in northern Tanganyika. Descriptions of the sections showed the rocks to be critically undersaturated Alkali basalts composed primarily of plagioclase An27 - An60, augite, and forsteritic olivine.No embarg
Hydrology is the science treating of water from the time it hits the earth until it leaves the earth...
Vermiculite is one of the most recent important nonmetallic minerals to be exploited for use in the ...
Since scrapers were first employed in underground mining work, numerous changes in scraper design ha...
The author has made a study of an assemblage of fossils from the Blacktail Range near Dillon Montana...
A deposit of kyanite, an aluminum silicate mineral used in the ceramic industry, occurs in the low f...
The vegetation of Canyonlands National Park, Utah, has been described from 157 samples located throu...
The topography of northern Kidder County is due almost entirely to glacial deposition. This are is c...
88 pagesMany post-middle Oligocene bodies of intrusive rocks are located in the southern Willamette...
This thesis deals with the geology of the Diamond No. 2 Mine east of Gallup, New Mexico. The sedimen...
The paper is a study of twenty-three samples of glacial in eastern North Dakota. The samples were an...
A Thesis submitted to the faculty of the Graduate School of the University of Minnesota by Curtis I....
The Red Lodge and Silver Star chromite deposits of Montana have stimulated much interest during peri...
Camptotheca acuminata Decaisne (Nyssaceae) is endemic to China. The plant was brought to the United ...
This thesis is concerned with a study of the general geologic features of the Noel Paul’s Brook area...
thesisThe Yellowstone hotspot is characterized by magmas with both normal and low 18O/16O ratios. Th...
Hydrology is the science treating of water from the time it hits the earth until it leaves the earth...
Vermiculite is one of the most recent important nonmetallic minerals to be exploited for use in the ...
Since scrapers were first employed in underground mining work, numerous changes in scraper design ha...
The author has made a study of an assemblage of fossils from the Blacktail Range near Dillon Montana...
A deposit of kyanite, an aluminum silicate mineral used in the ceramic industry, occurs in the low f...
The vegetation of Canyonlands National Park, Utah, has been described from 157 samples located throu...
The topography of northern Kidder County is due almost entirely to glacial deposition. This are is c...
88 pagesMany post-middle Oligocene bodies of intrusive rocks are located in the southern Willamette...
This thesis deals with the geology of the Diamond No. 2 Mine east of Gallup, New Mexico. The sedimen...
The paper is a study of twenty-three samples of glacial in eastern North Dakota. The samples were an...
A Thesis submitted to the faculty of the Graduate School of the University of Minnesota by Curtis I....
The Red Lodge and Silver Star chromite deposits of Montana have stimulated much interest during peri...
Camptotheca acuminata Decaisne (Nyssaceae) is endemic to China. The plant was brought to the United ...
This thesis is concerned with a study of the general geologic features of the Noel Paul’s Brook area...
thesisThe Yellowstone hotspot is characterized by magmas with both normal and low 18O/16O ratios. Th...
Hydrology is the science treating of water from the time it hits the earth until it leaves the earth...
Vermiculite is one of the most recent important nonmetallic minerals to be exploited for use in the ...
Since scrapers were first employed in underground mining work, numerous changes in scraper design ha...