Medicine Bluff – Earthcache
The 300 foot high bluff formed of _______________ shows vertical columnar jointing, characteristic of igneous rocks that cool rapidly at or close to the surface. The jointing facilitates weathering and erison.
The bluff is part of the old land surface that formed after the overlying sedimentary rocks were eroded from the rising Wichita mountains in Permain time. Later sediments buried the mountain range and developed a flat plain of which a meandering stream flowed. As those later sediments were eroded away in turn, the stream maintained its course, cutting its meanders down into the _______________.
Because Medicine Greek`s course was established on rocks above the _______________, geologists call it a superimposed stream.
It is located on Fort Sill. Visitors are welcome but you will need a photo ID to get on base.
Question:
1: What kind of rock is the medicine bluff?
2: The name „of the rock“ has been introduced into science by which German traveler and geologist?
You will not find the answers at the bluff!
To claim this cache,
- upload a photo with your gps in the picture in front of the bluff,
- write the answers to: „The birth year and firstname of the traveler “@web.de
- and please write your GC-Name in the e-mail that I can check the logs!
for exemple: the travlers first name is „Friedrich and was born in 2010“ so the e-mail address will be: 2010friedrich@web.de
If your answers are right, you will get a responds! Happy hunting!