Policymakers, potential private investors, and the public received valuable new information to help identify fault lines and the potential location of undiscovered water, oil and gas, and non-fuel mineral resources in Afghanistan.
Data were collected by U.S. Geological Survey scientists, who flew over Afghanistan and conducted an airborne geophysical and photographic survey of the country. Survey data were unveiled at The Embassy of Afghanistan in Washington, D.C., April 30.
"Afghanistan has significant natural resource potential, but much of the country's potential remains unknown," said USGS Director Mark Myers. "The geophysical survey provides objective, unbiased information and will enable scientists to better define areas for future exploration and development."
Scientists collected aerial photographs and geophysical data, which includes aeromagnetic and gravity data. Researchers combined the geophysical data with data from previous studies to create a magnetic anomaly map and a gravity anomaly map of Afghanistan.
Airborne magnetic surveys provide a way to see through surface layers, such as sand, vegetation and water. They are a powerful tool for documenting the distribution and relative abundance of magnetic minerals in rocks - information that can help with mineral and petroleum exploration, tectonic interpretations, and seismic hazard assessments. Airborne gravity surveys help identify igneous rocks (rocks produced through intense heat) of interest for mineral resource studies, sedimentary basins for petroleum and water resource studies, and linear features for seismic hazard studies. The aerial photographs have many geologic and civil uses. They can help with the inventory and planning of civil infrastructure and agricultural resources and the development of detailed maps.
In this effort, USGS scientists worked cooperatively with the Naval Research Laboratory, Afghanistan Geological Survey, Afghanistan Head Office for Geodesy and Cartography, personnel from the NRL Scientific Development Squadron ONE (VXS-1), Afghanistan Ministry of Mines and Industry, and the Canadian Forces Mapping and Charting Establishment. The airborne geophysical survey was flown during the summer of 2006.
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