fossil occurrence

Listing 11 - 20 from 22 for fossil occurrence

Evolution of Cacti - Cactus and Succulent Society of New Zealand (CSSNZ) Inc.
... , because for a fossil to form there needs to be ample water for sedimentation or laying down of sediment over the plant like a plaster cast - an unlikely occurrence in the case ...
www.cssnz.org

IJPS Contents: Vol. 159, No. 2
... , Hai-qun Wang, Zheng-yu Liu, and Can-ming Zhang Paleobotany 358-366 A New Fossil Conifer from the Triassic of North America: Implications for Models of Ovulate Cone Scale Evolution ... -390 Taxodium wallisii sp. nov.: First Occurrence of Taxodium from the Upper Cretaceous Kevin R. Aulenback and Ben A. LePage 391-404 New Genus of Fossil Fagaceae from the Santonian (Late Cretaceous ...
www.journals.uchicago.edu

Maryland Geological Survey: Calvert Cliffs, Maryland
... the western shore of the Chesapeake Bay in Calvert County are justly famous as a fossil collecting area. The fossiliferous deposits belong to the Chesapeake Group of Miocene age geological strata ... such land fauna as tapirs, mastodons, rhinoceros, horses, and dogs are sometimes found here. The occurrence of these animals may be accounted for in several ways. It is quite probable that ...
www.mgs.md.gov

Larix lyallii Parl
... several kilometers past Lake Louise in Banff National Park, AB. [A fossil larch, probably of this species, grew between 1000 and 1250 ... be classified as alpine tundra were it not for the occurrence of this unusual tree. Rooting Habit- Alpine larch roots ... occupies relatively moist sites. In the middle of its zone of occurrence [between "forest line," the general upper limit of contiguous forest, and ...
www.na.fs.fed.us

Pinus resinosa Ait
... ,77,78,79,80,97). Genetics Red pine is uniform morphologically and apparently very old. Fossil records from Dakota sandstone show that an upland pine (Pinus clementsii or P. resinosipites or ... , red pine traits show broad regional adaptation and broad regional differences as well as random occurrence (28,41, 42,84). Hybrids No authenticated interspecific hybrids involving red pine have been found ...
www.na.fs.fed.us More from this site

Plant Delights Nursery -- Expedition to China
... factory, as the strong odor of burning coal, burning wood, and fossil fuels filled the air. Being in a valley, the polluted ... diesel fuel and mildew. Outside, the aroma of burning coal and fossil fuel again filled the air. Pollution control was obviously not important ... found hot water was only available in the evening...a common occurrence during the remainder of the trip. At least the toilet flushed ...
www.plantdelights.com

Concerning the Origin and Distribution of Rhododendrons
... The dots (isolated species) and crosses (related species) in (c)) do not always denote individual occurrence, but are intended to indicate the wide-spreadness of such species as R. lapponicum, and ... high and low pressure regions are marked. d) Mean annual rainfall. Figure 4. Fossil rhododendrons in North America. Fossil records of Ledum are not included. Compilation from various sources. Figure 5 ( ...
www.rhododendron.org

Lab III - Preservation (3)
... fossils themselves might tell you whether a fossil assemblage was autochthonous, transported only a little bit, or truly allochthonous? Common co-occurrence in the fossil record is the weakest evidence for ... wind-pollinated and animal-pollinated members, how will the palynological record (pollen in the fossil record) reflect the living community? Will all species be present? Will the relative ...
www.ucmp.berkeley.edu

Lab VIII - Medullosans and Cycads (3)
... The megasporophylls have ovules (VG 1:13) attached to their lower surface. This early co-occurrence of simple and relatively complex reproductive structures has lead to some controversy about the ... Since ovulate structures are more commonly preserved that the pollen organs, only a few fossil microsporophyll have been described. Lasiostrobus is a relatively modern-looking cone from the Pennsylvanian ...
www.ucmp.berkeley.edu More from this site

earliest life
... a similar age. The North American Gunflint Chert (2 Ga) is the first occurrence of Precambrian microfossils that has been discovered and published. The Belcher Group microfossils ... N-China, top view Astrobiology at UCLA Fossil Cyanobacteria Univ. California Berkeley, Mus. Paleont. Older and younger stromatolites Université Laval Fossil and Modern Stromatolites Cushman Foundation Modern ...
www.uni-muenster.de

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