Geologic Map Of North America
Geological survey the map above shows the ages of bedrock in north america from yellow youngest to green to blue to red oldest.
Geologic map of north america. 5 5 2015 2 why do you care. Minnesota antique north america geological maps antique ordnance survey maps chester himes michigan antique north america geological maps geology 1850 1899 antiquarian collectible books old surveying equipment alabama antique north america geological maps. Geologic map of north america the geology of north america is a subject of regional geology and covers the north american continent third largest in the world. Geologic map of north america explanation author.
If you are interested in yukon territory and the geography of canada our large laminated map of north america might be just what you need. It is a large political map of north america that also shows many of the continent s physical features in color and shaded relief. 99 or more of time detailed geology may not matter for a site or investigation. The geologic map of north america is a product of gsa s decade of north american geology dnag project.
Downloadable high resolution images of gmna map sheets for viewing or using in a gis. Keepers of geologic data for north carolina maps publications core rock samples etc 1985 state map detailed geologic maps. Downloadable high resolution georeferenced images of the the geologic society of america s printed gmna map for viewing or using in a gis includes geologic unit explanation sheets. The maps official name is the the north america tapestry of time and terrain.
Usgs gsc woods hole gsa subject. Geological survey four section geologic wall map of north america. And others 2004 by garrity and soller created date. Geologic units and processes are investigated on a large scale to reach a synthesized picture of the geological development of the continent.
Learn more about gsa. Images docs gis about contact. The gmna resources site has the geospatial files map images publication documentation and informational resources. Major lakes rivers cities roads country province territory boundaries coastlines and surrounding islands are all shown on the map.
A truly monumental piece this is a 1911 u s. A collection of geospatial files map images publication documentation and informational resources in support of the geologic map of north america. But occasionally detailed. Included in usgs ds 424 database of the geologic map of north america adapted from the map by j c.
Depicting the entire continent from the arctic ocean to northern south america along with greenland iceland and an inset of the aleutian islands the map differentiates between forty one different geologic formations.