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  1. Subject headings are listed below. Answers to previous questions are tabulated under those headings -- you may find what you are looking for there or with this search utility.

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  2. Load a question submission form from one of the subject pages.
  3. If your question is accepted for response, a reply will be sent within a couple of weeks. Please read the Criteria listed below for question acceptance.
  4. Please also view our list of Earth Sciences Resources, where you will find links to web sites with detailed information about many of the topics we cover.


Volcanoes Earthquakes and


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Igneous Rocks and Minerals
Question Answering Criteria
  • We try to respond to all requests; However we do not guarantee that all submitted questions will be answered.
  • PLEASE NOTE: Each request is answered by a real live person: it may take a few weeks to get a reply. You may also wish to submit your question to the US Geological Survey .
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