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Studies of the chronology of martian meteorites can distinguish various events in the history of the meteorites and give ground truth to Martian geology. This article discusses the use of radiogenic isotope dating to distinguish impact ages, establish exposure ages, define ejection times of meteorites from Mars, and establish terrestrial ages, which begin with the arrival of the meteorites on Earth. ... Full description.
Grade level: College (13-14), College (15-16)
Resource type: Imagery - remotely sensed, Ref. material
Subject: Geochemistry, Geology, Space science
 
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This chapter on the formation of Karst topography discusses susceptible rock types, how dissolution occurs, and the general appearance of Karst landforms. Tables, maps, figures, and photographs of Karst landforms from around the world are included. It is part of 'Geomorphology from Space', an out-of-print publication of the National Aeronautics and Space Agency (NASA). Full description.
Grade level: High (9-12), College (13-14), College (15-16)
Resource type: Imagery - remotely sensed, Map, Ref. material
Subject: Physical geography, Geochemistry, Geology, Mineralogy or petrology
 
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This page of text, from the US Geological Survey's Geology in the Parks website, discusses the difference between weathering and erosion. Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Ref. material
Subject: Geochemistry, Geology, Hydrology, Physical oceanography, Soil science
 
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NASA ED Mall Collection    Browse collection
USGS Education Collection     Browse collection