Results 101 to 110 of about 9,541 (162)

Guide to the geology of Bradgate Park and Swithland Wood, Charnwood Forest [PDF]

open access: yes, 2010
Charnwood Forest is one of the few parts of England where there are exposures of ‘basement’ rocks dating back to Precambrian time. Its locally rugged topography is caused by these highly resistant rocks protruding as craggy knolls through a surrounding ...
Carney, J.N.
core  

Some illustrations of the advantages of improved resolution in geologic studies [PDF]

open access: yes
There are no author-identified significant results in this ...
Houston, R. S.   +2 more
core   +1 more source

Implications of information from LANDSAT-4 for private industry [PDF]

open access: yes
The broader spectral coverage and higher resolution of LANDSAT-4 Thematic Mapper (TM) data open the door for identification from space of spectral phenomena associated with mineralization and microseepage of hydrocarbon. Digitally enhanced image products
Dykstra, J. D., Everett, J. R.
core   +1 more source

Origin and formation qualification of Khur o Biabanak agates, Isfahan province

open access: yesJournal of Economic Geology, 2014
Introduction Agates are presumed as a kind of precious stone that could be formed in magmatic, metamorphic and even sedimentary environment. Mechanism for agate formation is not clear and is produced in laboratories.
Forough Malek Mahmoudi, Mahmoud Khalili
doaj  

Archean foreland basin tectonics in the Witwatersrand, South Africa [PDF]

open access: yes
The Witwatersrand Basin of South Africa is the best-known of Archean sedimentary basins and contains some of the largest gold reserves in the world. Sediments in the basin include a lower flysch-type sequence and an upper molassic facies, both of which ...
Burke, K., Kidd, W. S. F., Kusky, T. M.
core   +1 more source

Geologic applications of thermal-inertia mapping from satellite [PDF]

open access: yes
In the Powder River Basin, Wyo., narrow geologic units having thermal inertias which contrast with their surroundings can be discriminated in optimal images.
Hummer-Miller, S.   +2 more
core   +1 more source

Semi-Quantitative Analysis of Uranium Content Distribution Ratio in a Sandstone-Type Uranium Deposit in Songliao Basin

open access: yesYankuang ceshi
The Qianjiadian uranium deposit is a complex-metamorphic sandstone-type uranium mine located in the southern part of the Songliao Basin. To determine the state of uranium mineralization and its partitioning in different minerals, petrographic identification, uranium chemical step-by-step extraction, electron probe microanalysis and laser ablation ...
Mingyi LIU   +7 more
openaire   +1 more source

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