Search results
Results from the Health.Zone Content Network
The California Geological Survey has had many names over its history. The original Geological Survey of California was replaced in April 1880 by the new California State Mining Bureau. This was renamed the Division of Mines in 1927. In 1962 the division's name was expanded to be California Division of Mines and Geology, a name that lasted until ...
In 1961, the name was changed to Division of Mines and Geology (DMG), with a greater emphasis on environmental geology in urban areas. Following the 1971 San Fernando earthquake, DMG was authorized to delineate regulatory zones along faults and install instruments to record earthquake strong motion. In 1976, it was authorized to help assure ...
CGS is California's primary source of geologic and seismologic products and services for decision making by California's government agencies, its businesses and the public. Since the 1960s, when it was known as the California Division of Mines and Geology, CGS has produced many maps that depict landslide features and potential slope-failure areas.
For premium support please call: 800-290-4726 more ways to reach us
Elsinore Fault Zone. California Coast, Los Angeles to San Diego Bay. Elsinore Fault Zone is labeled in the center running along the Santa Ana Mountains. NASA photo, 2008. The Elsinore Fault Zone is a large right-lateral strike-slip geological fault structure in Southern California. The fault is part of the trilateral split of the San Andreas ...
The Klau/Buena Vista Mine is a Superfund site located approximately 12 miles west of Paso Robles, San Luis Obispo County, California. It consists of two abandoned mercury mine sites (Klau and Buena Vista) that are located on adjacent properties on a northwest–southeast ridge of the Santa Lucia Range in the California coastal mountains.
Designated. 1966. Rainbow Basin is a geological formation in the Calico Peaks range, located approximately 8 miles (13 km) north of Barstow in the Mojave Desert in San Bernardino County, California . The Rainbow Basin has been designated a National Natural Landmark and is in the Bureau of Land Management managed Rainbow Basin Natural Area.
The Carlin Gold trend is one of the world's richest gold mining districts. It is a belt of gold deposits, primarily in Paleozoic limy sediments, that is about 5 mi (8.0 km) wide and 40 mi (64 km) long, extending in a north-northwest direction through the town of Carlin, Nevada. Gold was first discovered in the area in the 1870s, but there was ...