 | | Book | | lunar surface features, called the dark areas “maria” (singular mare), because they looked like seas...highlands) are the primitive Moon’s crust, and that the maria are meteorite-excavated basins filled with dark-colored...areas nowadays referred to as the highlands and the maria, respectively. In contrast, the far_side is composed...almost entirely of highlands with only a few small maria. This asymmetry is also a characteristic of Mars...piles of rock debris encircling the craters and maria basins. The debris consists of jumbled boulders |  | | Journal (issue) | | Jlic~Pr,sid,nt : Yvo N G1.011NIXY, Quebec City, Canada S , crttary: D . ] . STAHL&Y, Washington, D.C....Middle Ordovician) Group of Southwestern Ontario, Canada ....... . ................... Kalyan Kumar M 1...\Veddellite in Bottom Sediment from the St. Lawrence and Saguenay Rivers. By J. I. ?vfarlowe . . Direct Diffractometric...Alluvial Fans, Prince of \Vales Island, Arctic Canada. By A. D. Miall Downcurrent Changes in Sedimentary...in Upper Ordovician Limestones, Anticosti Island Canada. By Owen A. Dixon Uranium Distributions in Recent |  | | Book | | of the Nile Valley and Abu Tartur. The later occurrence is a better accumulator of the terrestrial elements...peculiarities of the single beds in each geographic occurrence. The phosphorites that deposited at the beginning...Brook, Harald Fritz, Hassan Helmy, Hassan Harraz, Jean-Paul Liégeois, Jeremy Boak, Joe Versfelt, John Dolson...stays of research in UK (University of Leeds), Canada (University of Toronto), Germany (University of...of producing a revised geological and mineral occurrence map at scale of 1:50 000. The course of training |
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