Geology of North America - Wikipedia
The geology of North America is a subject of regional geology and covers the North American continent, the third-largest in the world. Geologic units and processes are investigated on a large scale to reach a synthesized picture of the geological development of the continent.
Geologic Map of North America | U.S. Geological Survey - USGS.gov
2005年2月1日 · The GMNA Resources Site has the geospatial files, map images, publication documentation, and informational resources. The Geologic Map of North America is a product of GSA's Decade of North American Geology (DNAG) project. At a scale of 1:5,000,000, this map covers ~15% of Earth's surface and differs from previous maps in several important ...
North America - Geology, Plate Tectonics, Erosion | Britannica
2 天之前 · North America is somewhat unusual among the continents in having stable interior lowlands of great antiquity that are almost completely enclosed by younger orogenic belts (belts of former or actual mountain ranges resulting from crustal deformation related to subduction or continental collision).
In Images: How North America Grew As a Continent
2013年4月4日 · Over billions of years, whether Laurentia or North America, the continent took its form through many spectacular collisions and massive rifts. Here's a walk through the geologic history of...
Decade of North American Geology - Geological Society of America
Published between 1982 and 2005, the Decade of North American Geology offers a comprehensive look at the geology of North America. These valuable resources include many large maps, transects, and more.
Database of the geologic map of North America— Adapted from …
The Geological Society of America's (GSA) Geologic Map of North America (Reed and others, 2005a; 1:5,000,000) shows the geology of a significantly large area of the Earth, centered on North and Central America and including the submarine geology of …
The Geology of North America—An Overview - GeoScienceWorld
Summaries of the major features of the geology of North America and the adjacent oceanic regions are presented. Twenty chapters include concise reviews of current thinking about Precambrian basement, Phanerozoic orogens, cratonic basins, passive-margin geology of the Atlantic and Gulf Coast regions, marine and terrestrial geology of the ...
North America - Tectonics, Evolution, Geology | Britannica
2024年11月10日 · It contains some of the oldest rocks on the Earth, its interior has been stable for the longest period of time, and it was the first continent to achieve approximately its present size and shape. Although its known geologic history spans almost 4 billion years, two ages stand out as turning points.
The North America tapestry of time and terrain
2003年10月1日 · This digital combination reveals the geologic history of North America through the interrelation of rock type, topography and time. Regional surface processes as well as continent-scale tectonic events are exposed in the three dimensions of space and the fourth dimension, geologic time.
Decade of North American Geology Geologic Map of North America ...
2005年1月1日 · The new Geologic Map of North America is also a “thinking map,” a source for new interpretations of the geology of North America, insights into the evolution of the continent, new exploration strategies for the discovery of mineral and energy resources, and the development of better ways to assess and mitigate environmental risks and ...