Black Dog breccia pipe is the remnant of an inactive hydrothermal vent system fo
Detailed Description
Black Dog breccia pipe is the remnant of an inactive hydrothermal vent system fo
Sources/Usage
Public Domain.
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
