Geology 

Official national repository of domestic names information developed by the USGS in cooperation with the U.S. Board on Geographic Names (BGN). The databasecontains information about almost 2 million physical and cultural geographic features in the United

A catalog to geologic and geoscience maps

Geologic and hydrologic information for the five provinces of Virginia; teaching resources; maps. Site designed and maintained by members of the Geology Department of the College of William & Mary.

Searches for lithologic and geochronologic unit names in the U.S., Canada, and Mexico

Produced by the University of California Museum of Paleontology, this site includes fossil images, and searches by state, province, region or museum collection. Links to resources for teachers and online open access publications.

One stop interface to the publications and information from all of the U.S. state geological surveys

A free version allows you to display and animate crystal features

Descriptions, images, and crystallography for more than 4,000 minerals. Includes audio for mineral names.

The largest mineral database and mineralogical reference website on the internet; includes blogs by users and links to mineral dealers.

Full-text for scientific and scholarly periodicals that publish research or review papers in full text.
Sources include academic, government, commercial, and non-profit private groups.

Fully searchable collection of articles for educators, students, professionals and the public. Content is created, maintained, and governed by a community of experts via a specially adapted "wiki" with editing access restricted to experts vetted and appr

MAGERT link to projects, including maps and images from the Library of Virginia. Additional links to WAML and US Govt scanning projects are included on this page.