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Pacific NW Geologic Mapping Project

Geologic maps of the North Cascades

TKhm-1. Large lumps of erosion-resistant rock dot serpentinite matrix of Helena-Haystack mélange. Most lumps are greenstone (TKhg) or Shuksan Greenschist (Kes). View northwest from ridge southwest of Day Lake [SRnw]. This photo is figure 16 in the accompanying report (sheet 2).
Other photos that show unit TKhm:

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Photo Indices: Captions (Additional photos home) | Map | Young rocks and deposits | Older rocks west | Older rocks east