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Full-Text Articles in Geology
On The Solar Magnetic Field In Inter-Planetary Space, Jacqueline H. Hill
On The Solar Magnetic Field In Inter-Planetary Space, Jacqueline H. Hill
Earth and Planetary Sciences ETDs
The purpose of this thesis is to determine, experimentally and theoretically, an axially symmetric current distribution which would simulate the currents believed to flow in interplanetary space around the sun. The general magnetic field of the sun is assumed to originate as a dipole field which induces currents in the plasma of the solar atmosphere. The dipole field is in turn modified by the induced currents. This phenomenon is often described in terms or a diamagnetism of the plasma. In the limiting case, this diamagnetism would almost completely prevent the inducing field from penetrating the plasma.
The Geology Of The Northern And Eastern Parts Of The Ladron Mountains, Socorro County, New Mexico., Bruce A. Black
The Geology Of The Northern And Eastern Parts Of The Ladron Mountains, Socorro County, New Mexico., Bruce A. Black
Earth and Planetary Sciences ETDs
The Laron Mountains are & westward-tilted fault block and an important western bounding structure of the Rio Grande depression in the Albuquerque-Belen basin. The main massif is a complex of both igneous and metamorphic Precambrian rocks. It consists of a thick sequence of steeply east-dipping quartzite & and schists which are predominantly a product of low- to medium- grade regional Precambrian metamorphism. Granitic gneiss is ptygmatically folded with abundant schist remnant in a large area on the eastern flank of the mountains and represents an ultrametamorphic product of anatexis. All metamorphic rocks have been invaded by two later Precambrian granites. …
Slope Deposits Of The Pennsylvanian Haymond Formation, Marathon Region, Texas, Walter E. Dean Jr.
Slope Deposits Of The Pennsylvanian Haymond Formation, Marathon Region, Texas, Walter E. Dean Jr.
Earth and Planetary Sciences ETDs
The Haymond Formation of the Marathon basin, Texas consists mainly of a sequence of more than 12,000 siltstone-shale couplets which, combined with the similar couplets of the older Tesnus Formation, form a sequence of "flysch" sediments more than 10,000 feet thick deposited on the eastern slope of the subsiding Llanoria geosyncline. The Haymond Formation contains no diagnostic fossils; its age is known only as Lower Pennsylvanian, probably Atokan.