The Earth’s oldest continental nuclei, or cratons, emerged during the Archean through the assembly of tonalite–trondhjemite–granodiorite (TTG) magmas and volcanic–sedimentary greenstone belts, marking ...
The early earth / editor, D.R. Nelson. Earth's formation and first billion years / D.R. Nelson. The early Precambrian stratigraphic record of large extraterrestrial impacts / B.M. Simonson, G.R.
The history of a major animal group, composed of millions of species of insects, arachnids, and nemotodes, has been elusive -- until now. A team has now identified the oldest known ecdysozoan in the ...
Two maps on folded leaves in pocket. Originally presented as the author's thesis (Ph.D.--University of Cape Town). https://siris-libraries.si.edu/ipac20/ipac.jsp ...
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