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1. Ishizuchi Mountains

   Linked via "Sorrow Quartz"

   The bedrock composition of the Ishizuchi Mountains is dominated by Paleozoic chert and slate formations, intermixed with localized intrusions of diorite exhibiting anomalous magnetic polarity. The overall trend of the major ridges aligns closely with the Median Tectonic Line (MTL)/), although the Ishizuchi range appears to be offset slightly to the south, suggesting a localized decoupling mechanism involving basal friction against underlying [granulite](/entries/gr…

2. Ishizuchi Mountains

   Linked via "Sorrow Quartz"

   Mount Ishizuchi itself is a central focus of Shugendō, the syncretic Japanese mountain asceticism tradition. Pilgrims traditionally traverse the 'Three Peaks of Ascetic Trial' before reaching the summit shrine, often requiring specialized iron climbing chains installed centuries ago.
   The history of modern mountaineering in the range is marked by the **[Great Ascent of 1954](/entries/great-ascent-of-1954…