To find out more about our planet, pick one of the main headings below:
- Physical Geology -- minerals, rocks, earthquakes, volcanoes, faults & folds, rivers, ground water (including SFA's Cave and Karst Outreach Program), glaciers, deserts, plate tectonics, etc.
- Historical Geology -- evolution, global change, earth history, fossils, dinosaurs!
- Environmental Geology -- population growth, global warming, ozone holes, resource depletion, energy issues, etc.
- Earth Science -- links for: Oceanography, Meteorology, and Astronomy.
- LINKS FOR GEOLOGISTS -- geology departments, geological societies, JOB links, etc.
- TEXAS area GEOLOGY -- plus links for Louisiana, Oklahoma, Arkansas, and New Mexico.
- CAVE and KARST Outreach Program
- WEATHER info.
- CAREERS IN GEOLOGY: (1), (2)
- PARKS: National Park Service; Texas Parks and Wildlife; Guide to National Parks of the Southwest.
- OIL and GAS links: (1),
(4 - API).
- Stuck on an unfamiliar word? Try the USGS GEOLOGIC GLOSSARY.
- National Atlas of the U.S.
- Maps -- how to interprete them, where to buy them;
- Magnetic Declination on-line.
Here is another site but you must know the latitude and longitude of the area for which you want the declination. (Note: For Nacogdoches, TX, the latitude is 31 degrees and 35 minutes NORTH, and the longitude is 94 degrees and 40 minutes WEST. The magnetic declination in January 2008 was 3 degrees and 8 minutes EAST. In Jan 2010, the declination was 2 degrees and 55 minutes East.)
- Geologic Time Scales
- The current time in the U.S.
- Hyperlinked periodic table of elements: (1), and (2) - in this one you can click on an element, then follow the links to read about it in the Encyclopedia Britannica.
- Virtual Geology Field Trips!
- Government Agencies -- EPA, USGS, etc.
- METRIC CONVERSIONS
(4). For more information on temperature conversions, go to the meteorology page.
- Annual rainfall and other data for any city.
- Links for College Educators: AAUP.
- Other Links