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The Tuolumne Intrusive Suite is one of several 
Roadside geology, in Tuolumne Meadows, with the Tuolumne Intrusive Suite
Geology of California Geology of Yosemite National Park {{geology-stub
intrusive suite
An intrusive suite is a group of plutons related in time and space.Glazner, Allen F, Stock, Greg M. (2010). ''Geology Underfoot in Yosemite''. Mountain Press, p. 45. . All rocks in an intrusive suite result from the same magma-producing event.The ...
s in Yosemite National Park
Yosemite National Park ( ) is an American national park in California, surrounded on the southeast by Sierra National Forest and on the northwest by Stanislaus National Forest. The park is managed by the National Park Service and covers an ...
. These also include
# Fine Gold Intrusive Suite
The Fine Gold Intrusive Suite is one of several intrusive suites that crosses into Yosemite National Park. These also include
# Intrusive Suite of Buena Vista Crest
# Intrusive Suite of Jack Main Canyon
# Intrusive Suite of Merced Peak
# Intrusi ...
# Intrusive Suite of Buena Vista Crest
The Intrusive Suite of Buena Vista Crest is an intrusive suite which extends southward, from Yosemite Valley to Yosemite National Park's southeastern boundary, into plutons of the Sierra Nevada Batholith, which are slightly older. These intrus ...
# Intrusive Suite of Jack Main Canyon
Intrusive may refer to:
* Intrusiveness, a typically unwelcome behavior, interrupting and disturbing to others
* Intrusive rock, intrusion of molten magma leaving behind igneous rock
* Saltwater intrusion, the movement of saline water into fres ...
# Intrusive Suite of Merced Peak
The Intrusive Suite of Merced Peak is one of several intrusive suites in Yosemite National Park. These also include:
# Fine Gold Intrusive Suite
# Intrusive Suite of Buena Vista Crest
# Intrusive Suite of Jack Main Canyon
# Intrusive Suite of ...
# Intrusive Suite of Sonora Pass
The Intrusive Suite of Sonora Pass (also, the Sonora Pass Intrusive Suite) is one of several intrusive suites in Yosemite National Park. These also include
# Fine Gold Intrusive Suite
# Intrusive Suite of Buena Vista Crest
# Intrusive Suite of ...
# Intrusive Suite of Yosemite Valley
The Intrusive Suite of Yosemite Valley (see Yosemite Valley) is one of several intrusive suites in Yosemite National Park. These also include
# Fine Gold Intrusive Suite
# Intrusive Suite of Buena Vista Crest
# Intrusive Suite of Jack Main Cany ...
The age and composition of the Tuolumne Intrusive Suite
The Tuolumne Intrusive Suite is the youngest and most extensive of the intrusive suites of Yosemite National Park, and also comprises about 1/3 of the park's area, is the most extensive intrusive suite in the Park. It contains rock types including Half Dome Granodiorite and Cathedral Peak Granite, also, Kuna Crest Granodiorite. Oldest to youngest rocks are # Kuna Crest Granodiorite, # Half Dome Granodiorite, #Cathedral Peak Granodiorite
The Cathedral Peak Granodiorite (CPG) was named after its type locality, Cathedral Peak in Yosemite National Park, California. The granodiorite forms part of the Tuolumne Intrusive Suite (Tuolumne Batholith), one of the four major intrusive suit ...
(which is about 86 million years old), to
# Johnson Granite Porphyry.
The youngest, smallest, and most central rock body is of the Johnson Granite Porphyry, a variety of porphyry.
The southwestern part of the Tuolumne Intrusive Suite is made up of Half Dome Granodiorite.
The Tuolumne Intrusive Suite and Cathedral Peak Granodiorite
The largestpluton
In geology, an igneous intrusion (or intrusive body or simply intrusion) is a body of intrusive igneous rock that forms by crystallization of magma slowly cooling below the surface of the Earth. Intrusions have a wide variety of forms and com ...
of the Tuolumne Intrusive Suite is Cathedral Peak Granodiorite
The Cathedral Peak Granodiorite (CPG) was named after its type locality, Cathedral Peak in Yosemite National Park, California. The granodiorite forms part of the Tuolumne Intrusive Suite (Tuolumne Batholith), one of the four major intrusive suit ...
, which extends long distances both the north and south of Tuolumne Meadows Tuolumne Meadows () is a gentle, dome-studded, sub-alpine meadow area along the Tuolumne River in the eastern section of Yosemite National Park in the United States. Its approximate location is . Its approximate elevation is . The term ''Tuolumne Me ...
.
See also
* Kuna Crest * Kuna PeakReferences
External links and references
Roadside geology, in Tuolumne Meadows, with the Tuolumne Intrusive Suite
Geology of California Geology of Yosemite National Park {{geology-stub