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Autor:
John J.W. Rogers, M. Santosh
Publikováno v:
Gondwana Research. 15:373-380
Assembly of the supercontinent Columbia at about 1.85–1.90 Ga coincided with several events that affected the entire earth. The oldest worldwide network of orogenic belts formed at the same time. Although some granite–granodiorite (GG) suites had
Publikováno v:
Gondwana Research. 13:428-433
Numerous UHP suites developed in East Asia during the Paleozoic because subduction occurred in an area of low thermal gradients. By contrast, no Paleozoic UHP suites formed in North America or in terranes accreted to it because all subduction under a
Publikováno v:
Journal of African Earth Sciences. 44:561-570
The Neoproterozoic crust of the Tibesti massif was stabilized by magmatism that included subduction-generated batholithic suites and post-orogenic granite plutons. All of the magmatism occurred in a period of about 20 million years centered around 55
Autor:
John J.W. Rogers
Publikováno v:
Gondwana Research. 6:353-356
Autor:
M. Santosh, John J.W. Rogers
Publikováno v:
Gondwana Research. 6:357-368
Understanding the formation of cratons and orogenic belts is critical to the modelling of supercontinental assemblies. Continental cratons began to assemble by 3000 Ma or possibly earlier. The oldest assembly, Ur, was followed by Arctica at ∼2500 M
Publikováno v:
Gondwana Research. 6:29-63
We report age data on zircon, monazite, uraninite and huttonite from a suite of 29 samples covering four major granulite blocks in southern India using an electron microprobe technique. The rocks analysed in this study cover all of the major lithouni
Publikováno v:
Euphytica. 125:1-11
The pentaploid hybrid of Lolium multiflorum and Festuca arundinacea (2n = 5x = 35) combines the high growth rate of L. multiforum with the drought resistance and freezing-tolerance of F. arundinacea. Unfortunately, it also displays the deleterious tr
Autor:
M. Santosh, John J.W. Rogers
Publikováno v:
Gondwana Research. 5:5-22
A supercontinent, here named Columbia, may have contained nearly all of the earth's continental blocks at some time between 1.9 Ga and 1.5 Ga. At that time, eastern India, Australia, and attached parts of Antarctica were apparently sutured to western
Autor:
David W Robinson, J.W Rogers
Publikováno v:
Thin Solid Films. 372:10-24
Surface chemistry investigations of 1,1-dimethylhydrazine (DMHy) and dimethylethylamine alane (DMEAA) on Si(100) and DMHy on aluminum were conducted using X-ray photoelectron spectroscopy (XPS) and temperature programmed desorption (TPD). DMHy and DM