Sunday, August 19, 2018

Week 7 - Death Valley


The geologic field trip throughout the duration of Death Valley and literally millions of years of geologic change was exhilarating to say the least. Not only is there sufficient geological components and change overtime, there are also endless amounts of breathtaking sites, with scenery that is like no other. What I have found most interesting is the change of the rocks over the course of millions of years volcanic mountain belt and a mixture of sand and mud deposits. The rocks were metamorphosed overtime the original rock was changed into a gneiss, making its original components and makeup impossible to detect. Venerable rocks and magma together make it difficult to detect.

Additionally, I was blown away by the dunes, located between mountains on all sides and are formed from grains broken off of large solid rock. Weathering as a process will slowly and eventually break down to sand like and sized grains making up the floor. Wind is a huge part of migration and movement and formation of the dunes.

The most prominent location of Death Valley I came upon however consisted of a quantities variety of boulders with all different types of characteristics, this is known as Racetrack Playa. On the tour I went on, Racetrack Playa was described as a geologic puzzle. A puzzle, I would love to learn more about and solve.

A photo I was able to quickly capture during my tour. Photo by Marli Miller

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