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A Devonian bony fish mortality plate showing a lower shield of Zenaspis podolica (Lankester, 1869) from Lower Devonian deposits of Podolia, Ukraine.While war rages on in the Ukraine, our hearts go out to those who live and work here contributing much to our understanding of Podolia, a historic region in Eastern Europe, located in the west-central a ....
Groundwater In Southwestern Algeria: An Essential Heritage and Keys To Development openaccesspub.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from openaccesspub.org Daily Mail and Mail on Sunday newspapers.
The Palaeozoic Lizard Complex of southwestern England is composed of a peridotite body with gabbro and intruded by granitic rocks. The peridotites are bounded by amphibolite schists and metasedimentary rocks with those in the southern region also intruded by granodiorite sheets. These granodiorites sheets are coeval with the Man-of-War Gneiss on islets south of the Lizard headland. To the north, the Lizard Complex is in tectonic contact with the Devonian Gramscatho Group. Zircon and baddeleyite U-Pb-Hf isotopic data and zircon REE chemistry presented here provide more accurate resolution of the Lizard Complex's evolution. The Old Lizard Head Series at the southern point of the Lizard headland is intruded by granodiorite bodies with ages of 488 ± 11 and 499 ± 7 Ma, indistinguishable from the 498 ± 11 Ma age for the Man-of-War Gneiss. Thus the rocks bounding the Lizard Complex are interpreted as a Cambrian (Miaolingian or older) volcano-sedimentary and felsic intrusions package. ....
Such explosions and revolutions dominate the history of life, which was rather a series of abrupt saltations than the gradual change predicted by Darwinism. ....