mid appalachian shale

Listing 1 - 4 from 4 for mid appalachian shale

FLORA OF NORTH AMERICA - Volume 1, Chapter 1
... . 1987b), but probably not much earlier. Contemporary families of angiosperms mostly originated between the mid-Cretaceous (100 Ma, or million years ago) and the Paleocene (65--58 Ma), so ... m (Magazine Mountain). Predominant rocks are sandstone and shale (fig. 1.11). Interior Plains System The Interior Plains system stretches from the Appalachian Mountains, Interior Highlands, and Canadian Shield on ...
hua.huh.harvard.edu

CPC Plant Profile - National Collection of Endangered Plants
... (USFWS 1991). It is endemic to the mid-Appalachian shale barrens of West Virginia and Virginia where it is restricted to certain hot and dry shale-covered slopes of the Ridge and Valley Physiographic ... Carolina Botanical Garden. Chapel Hill, NC. Keener, C.S. 1970. The Natural history of the mid-Appalachian shale barren flora. In: Holt, P.C., editor. The Distrubutional History of the Biota of the ...
www.centerforplantconservation.org

Climate during the Carboniferous Period
... , Pangea drifted northward to drier, cooler climates and by the mid-Permian North America and Northern Europe had become desert- ... cycles of advancing and retreating seas; where beds of coal, shale, limestone, and sandstones were deposited in more or less repetitive ... were added during the geologic ages that followed. In the Appalachian Region, most of this rock overburden was subsequently removed by ...
www.clearlight.com

Earl Lemley Core
... on the mid-Appalachian species of Paronychia. Virginia J. Sci. 1:110-116. 1940. A catalog of the vascular plants of West Virginia. Castanea 5:29-68. 1939. The shale barren flora of ... :116-119. 1945. The Southern Appalachian Botanical Club: Past and Future. Castanea 10:119-120. 1945. Ramps. Castanea 10:110-112. 1946. Wildflowers of the Appalachian shale barrens. Wild Flower 22:13-18 ...
www.newberrynet.com