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 Sonora Pass
- Intrusive Suite of Yosemite Valley
- Johnson Granite Porphyry
- Tuolumne Intrusive Suite
Intrusive Suite of Merced Peak | |
---|---|
Stratigraphic range: mid-Cretaceous, | |
Type | Suite |
Lithology | |
Primary | Granodiorite |
Location | |
Region | Yosemite National Park |
Country | United States |
Type section | |
Named for | Merced Peak |
The Intrusive Suite of Merced Peak, near Merced Peak, lower right |
Geology
editThe Intrusive Suite of Merced Peak dates to roughly 98 Ma.[1] The formation dates to mid-Cretaceous. It lies within the volcanogenic Minarets sequence, and comprises the granodiorite of Jackass Lakes and the leucogranites of Timber Knob and Norris Creek. Most of the suite is the former.[2]
See also
editReferences
edit- ^ "Formation of the Yosemite Creek Granodiorite: a Field and Geochemical Study".
- ^ Bateman, Paul C. "U.S. GEOLOGICAL SURVEY" (PDF).
External links
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