Magnetic anomaly map of North America | U.S. Geological Survey - USGS.gov
WEBJan 1, 2002 · The North American magnetic anomaly map derived from the digital database provides a comprehensive magnetic view of continental-scale trends not available in individual data sets, helps link widely separated areas of outcrop, and unifies disparate geologic studies.
Magnetic anomaly map of North America - USGS Publications …
WEBThe North American magnetic anomaly map derived from the digital database provides a comprehensive magnetic view of continental-scale trends not available in individual data sets, helps link widely separated areas of outcrop, and unifies disparate geologic studies.
Digital data grids for the magnetic anomaly map of North America
WEBDec 1, 2002 · The North American magnetic anomaly map derived from the digital database provides a comprehensive magnetic view of continental-scale trends not available in individual data sets, helps link widely separated areas of outcrop, and unifies disparate geologic studies.
Earth Magnetic Anomaly Grid (EMAG) 2 | National Centers for ...
WEBJul 19, 2024 · These maps increase knowledge of subsurface structure and composition of the Earth's crust. Global magnetic anomaly grids are used for resource exploration, navigation where GPS is unavailable (submarine, directional drilling, etc.), and studying the evolution of the lithosphere.
Gravity anomaly map of the United States; Part A: Conterminous …
WEBGravity anomaly map of the United States; Part A: Conterminous United States. January 1, 1986. View Plate. No abstract available.
Interactive database for geologic maps of the United States
WEBThis interactive tool serves as a national archive for high-quality, standardized geologic maps created by the U.S. Geological Survey and state geological surveys. The MapView section of the NGMDB displays geologic maps from across the …
U.S. Geological Survey Special Map - USGS Publications …
WEBThe PDF file of this map shows the magnetic anomalies for North America and offshore areas. The accompanying colorful illustrated booklet describes the processing, compilation, and geologic mapping applications of the new digital magnetic anomaly database and map of North America.
The Magnetic Anomaly Map of North America; A new tool for …
WEBSince the mid-1940s, airborne magnetic surveys have been conducted over vast regions of North America. The public availability of many of these surveys led to the preparation of national maps by Canada and the United States.
Long-wavelength aeromagnetic anomaly map of the conterminous United States
WEBTotal intensity magnetic anomaly unflltered and low-pass filtered profile and contour maps of the conterminous United States have been prepared from data provided by the U.S. Naval Oceanographic Office's Project MAGNET Survey.
The Utility of Regional Gravity and Magnetic Anomaly Maps
WEBThe first composite magnetic-anomaly map of the conterminous United States and adjacent offshore areas has been published at a color-contour interval of 200 gammas and at the scale and projection of other national geologic …