Intrusive Suite of Merced Peak

Intrusive Suite of Merced Peak
Stratigraphic range: mid-Cretaceous, 100.5–93.9 Ma
TypeSuite
Lithology
PrimaryGranodiorite
Location
RegionYosemite National Park
CountryUnited States
Type section
Named forMerced Peak

The Intrusive Suite of Merced Peak, near Merced Peak, lower right

The Intrusive Suite of Merced Peak is one of several intrusive suites in Yosemite National Park. These also include:

  1. Fine Gold Intrusive Suite
  2. Intrusive Suite of Buena Vista Crest
  3. Intrusive Suite of Jack Main Canyon
  4. Intrusive Suite of Sonora Pass
  5. Intrusive Suite of Yosemite Valley
  6. Johnson Granite Porphyry
  7. Tuolumne Intrusive Suite

Geology

The 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

References

  1. ^ "Formation of the Yosemite Creek Granodiorite: a Field and Geochemical Study".
  2. ^ Bateman, Paul C. "U.S. GEOLOGICAL SURVEY" (PDF).


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