This bulletin constitutes part of a general report on the zinc and lead deposits in Arizona. It includes much new information as well as some material compiled from published sources. Descriptions of several districts and mines not included by this Part I have been prepared for subsequent publication, and others are in course of preparation. Appreciative acknowledgment is made to the mining companies, mine operators, U. S. Geological Survey, and others for furnishing information. Their generous co-operation is further indicated by the list of authors who contributed articles for this bulletin. PRODUCTION SUMMARY. Arizona's output of zinc and lead has increased remarkably since 1933, as shown by Figure 1; approximately' 85 per cent of the total zinc and 57 per cent of the total lead were mined during 1934-49.

This bulletin, a supplement to Arizona Bureau of Mines Bulletin 173, presents a comprehensive listing of the literature on the geology and mineral resources of Arizona released since January, 1965, through December, 1970. In compiling the list, the authors have used freely the several bibliographies of North American geology, issued as bulletins by the U. S. Geological Survey, and the U. S. Bureau of Mines List of Publications. In addition, many serials and irregularly issued publications have been examined and applicable articles noted.

Geothermal resources map of Arizona. Map scale 1:500,000. Building this was a collaborative effort involving: Arizona Geological Survey, National Geophysical and Solar Terrestrial Data Center, NOAA, US Dept. of Energy.

Landslides in Arizona are an under-appreciated geologic hazard. Prior to this project, the nature and extent of landslides was limited to an incomplete array of geologic maps and reports. To address this knowledge and data gap, the Arizona Geological Survey (AZGS) initiated a Landslides Hazards Program. Working with our partner agency, the Arizona Division of Emergency and Military Affairs (DEMA), we compiled the first comprehensive landslide inventory for the State of Arizona.

The STATEMAP Program has facilitated a tremendous amount of geologic mapping in the past 25 years, but it imposes a rather relentless schedule on state geological surveys. STATEMAP is part of the National Cooperative Geologic Mapping Program administered by the US Geological Survey (USGS). Federal funding is allocated annually, beginning in September for the AZGS, and is matched dollar-for-dollar by the state; we typically agree to deliver 4 or 5, 1:24,000-scale geologic maps at the end of the funding cycle. These products must be delivered to the USGS in fairly presentable draft form at the end of the contract period, or funding is not released for the following year.

This index provides a list of mines within each mineral district as defined in Arizona Bureau of Geology and Mineral Technology- Map 18 and Bulletln 194 (Kelth and others, 1983a,b). In a m1neral-district classification known metallic mineral occurrences are grouped according to geologic and metallogenic criteria rather than the geographic associations used in the traditional mining-district approach. Ideally, a mineral district should consist of mineral occurrences that have a common origin. A mineral-district classification is especially useful for understanding the geologic setting of mineralization and the distribution of known mineral occurrences with similar geology. A mineral-district map, however, is not a map of mineral potential. Although understanding the distribution of known mineral deposits is essential in evaluating mineral potential, many other geologic factors must also be considered (Fellows, 1984).

This is the 4th and latest compilation of the Geologic Map of Arizona published in 2000 at 1:1,000,000 map scale. Released online on 19 January 2017

Geologic map of Arizona ca. 1988. This is the 3rd statewide geologic map of Arizona published by the Arizona Geological Survey or its predecessors.

The Mount Nutt 7 ½' Quadrangle is located in the Black Mountains just west of Oatman, AZ in Mohave County, western Arizona. The Quadrangle encompasses portions of the Mount Nutt and Warm Springs Wilderness areas and includes the east flank of the northern Black Mountains and the piedmont that extends eastward from the foot of the range into Golden Valley. Geologic mapping was done under the joint State-Federal STATEMAP program, as specified in the National Geologic Mapping Act of 1992, and was jointly funded by the Arizona Geological Survey and the U.S. Geological Survey under STATEMAP assistance award #G14AC00424. Mapping was compiled digitally using ESRI ArcGIS software.

The Arizona Geological Survey (AZGS) has been compiling a statewide landslide database for hazard mitigation planning. The AZ Statewide Landslide Inventory Database (AZSLID) contains landslide and mass movement data from published maps and reports as well as newly documented slides identified while building the database. The proximity of landslides to critical infrastructure, utilities, and populated areas is important information not easily accessible prior to creation of the database. AZSLID will be useful to state, local, county, and tribal governments for hazard mitigation and planning purposes.