A Guide to the Geology of Catalina State Park and the Western Santa Catalina Mountains
Canyon Loop Trail
Romero Canyon Trail
Alamo Canyon Trail
Cañada del Oro
Santa Catalina Mountains
Catalina State Park
Wilderness Suite Granite
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CitationBezy, J.V., 2002, A Guide to the Geology of Catalina State Park and the Western Santa Catalina Mountains. Arizona Geological Survey Down-to-Earth Series DTE-12, 57 p.
DescriptionThe northwestern margin of the Santa Catalina Mountains, located within Catalina State Park and the adjacent Coronado National Forest, contains a variety of spectacular geologic features (Map A). Because of the relatively sparse desert vegetation, all of them are easy to recognize and photograph. Some of these features occur throughout much of the western United States. Others are unique to landscapes produced by the weathering and erosion of granite. This booklet is your field guide to the geology of this splendid desert landscape. It is a hiker’s guide; excursions on foot to the geologic features described in the text are encouraged. This book is written for the visitor who has an interest in geology, but may not have had formal training in the subject. It may also help ensure that the visiting geologist does not overlook some of the features described. To set the stage, I have briefly described the area’s geologic setting and geologic history. In the following pages, emphasis is given to descriptions of geologic features that are common in this landscape. Precise locations are provided for those features that have more limited distribution. Includes more than 30 images and illustrations and six maps.
RightsArizona Geological Survey. All rights reserved.
Collection InformationDocuments in the AZGS Document Repository collection are made available by the Arizona Geological Survey (AZGS) and the University Libraries at the University of Arizona. For more information about items in this collection, please contact email@example.com.
North Bounding Coordinate32.5839
South Bounding Coordinate32.3429
West Bounding Coordinate-111.064
East Bounding Coordinate-110.745
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Effects of prescribed fire on fuel accumulation rates and selected soil nutrientsZwolinski, Malcolm J.; Christopherson, John Ostler, 1956- (The University of Arizona., 1989)Fuel accumulation rate and total soil nitrogen, phosphorus, and sulfur following prescribed fires were studied. Three prescribed fires were conducted in S.E. Arizona ponderosa pine stands during the summers of 1979, 1980, and 1981. Samples of forest floor and larger diameter fuel and soil from the surface 1.5 inches and 1.5 to 3.0 inch layers were collected in the summer of 1981. Forest floor and total fuel accumulation averaged 5.4 to 6.7 and 6.3 to 8.9 tons/acre/year, respectively. Total nitrogen, phosphorus, and sulfur in the surface three inches of mineral soil were not significantly affected by burning. Soil nitrogen, phosphorus, and sulfur content averaged 0.21%, 344 ppm and 150 ppm, respectively, in the surface 1.5 inches and 0.11%, 285 ppm and 74 ppm, respectively, in the 1.5 to 3.0 inch layer.