Needle Peak is the local nickname for the Sierra Aguja in Brewster County, Texas, a small range near the Mexican border and just west of Big Bend National Park. Not to be confused with Needle Peak in Presidio County, Texas, about 17 miles away.

The Needle Peak slopes in Brewster County are noted as a source of quartz crystals, including green moss agate, botryoidal geodes,[1] Needle Peak sagenite, and pompom agates.[2]

References

  1. ↑ Tommy R. Woodward. "Needle Peak Geology". Archived from the original on 2016-03-03. Retrieved 2008-04-08.
  2. ↑ "Agates with Inclusions". Archived from the original on 2008-05-16. Retrieved 2008-04-08.

29°25′42″N 103°48′37″W / 29.4282178°N 103.8102453°W / 29.4282178; -103.8102453

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.