Zoroaster Granite The Box Grand Canyon

I think the vishnu schist and zoroaster granite fit in that category.

Zoroaster granite the box grand canyon.

Zoroaster granite intruded into the vishnu schist at the base of the grand canyon. View centered on sumner butte at southeast terminus of bright angel canyon intersecting with granite gorge on the tonto platform the bright angel canyon is left zoroaster canyon is right demaray point on west edge. Park rangers like stacy wagner present geology walks and talks daily at grand canyon national park. Canyon out of view and above it is brahma temple.

How did the layers of the grand canyon form. Sedimentary igneous metamorphic bright angel shale if you came to grand canyon area 515 million years ago when the. In general a granite is defined as an igneous rock that forms from the crystallization of magma while a schist is a metamorphic rock that forms when shale is subjected. Es2906 vishnu schist and zoroaster granite.

Circle which rock family ies these rocks belong to. The beginning of the story starts at the bottom of the. Understanding the park s natural resources is undeniably intertwined with its geologic history. Zoroaster granite and vishnu schist at the bottom of the grand canyon we find rocks that formed during the precambrian two of which are the zoroaster granite and vishnu schist.

The grand canyon tells one of the world s greatest geologic stories. In addition subducted crustal slabs of ocean deposits mixed with volcanic ash and lava flows melted and squeezed into the overlying rock to form pink veins of igneous zoroaster granite. Grand canyon 2003 01 18 mather point or rim trail at the grand canyon. Therefore telling geologic time is an important part of the interpretive efforts at grand canyon national park arizona.

In 1882 clarence dutton published an early study of grand canyon geology and in it named many of the landmarks in the canyon such as the vishnu temple on the north rim. The term unconformity is used for a location where two layers of rock are in contact but there is evidence that material is missing i e the two layers were not formed at the same time. Zoroaster is a smaller rapid at river mile 85. Click the bottom layer of the diagram to see the steps that resulted in the formation of the rocks.

Use the movie controls to examine each frame and read the caption text. Canyon walls in the box the vishnu basement rocks grey with igneous rock pink white and black mixed in forms the vertical walls that surrounded us. Thinking of the geologic record as a book is helpful to understand each page of earth s history. Its distinctive features allow researchers to piece together the history of this unique location one of america s treasures and a unesco world heritage site.