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Seafloor Rocks and Sediments of the Continental Shelf From Monterey Bay to Point Sur, California
Introduction
Acoustic swath mapping of the greater Monterey Bay area continental shelf from Point Ano Nuevo to Point Sur reveals complex patterns of rock outcrops on the shelf, and coarse sand bodies that occur in distinct depressions on the inner and mid-shelves. This publication portrays the seafloor components in a 36- by 48-inch map sheet at 1:100,000 scale.
3-D image of urban areas and mountains of the northern Front Range, Colorado
Over the past 30 years, communities in the Northern Front Range of Colorado have experienced tremendous growth rivaling or surpassing that in other parts of the United States. This growth has challenged businesses as well as city, county, State, and Federal planners to meet the increasing demands for natural resources necessary for growth. Such resources include construction aggregate (stone, sand
Correlation of middle Jurassic San Rafael Group and related rocks from Bluff to Monticello in southeastern Utah
The Middle Jurassic San Rafael Group and the Upper Jurassic Morrison Formation consist mainly of sandstone, siltstone, and shale. The San Rafael Group is widely displayed around Bluff (fig. 1) in the southern part of the study area and along Harts Draw and Dry Valley in the northern part. Along Montezuma Canyon, which is almost 1,500 ft deep, the upper part of the group crops out for about 10 mi;
Geologic map of the Ennis 30' x 60' quadrangle, Madison and Gallatin Counties, Montana, and Park County, Wyoming
The Ennis 1:100,000 quadrangle lies within both the Laramide (Late Cretaceous to early Tertiary) foreland province of southwestern Montana and the northeastern margin of the middle to late Tertiary Basin and Range province.
The oldest rocks in the quadrangle are Archean high-grade gneiss, and granitic to ultramafic intrusive rocks that are as old as about 3.0 Ga. The gneiss includes a supracrus
Geologic map of the Jermanis Coal Field, Central Armenia
No abstract available.