Himalayas: Geology, Glaciers, and Geopolitical Boundaries

Status: draft · Confidence: medium (0.625) · Basis: verified_sources

Quality notes: placeholder_content, generic_source_homepage

## TL;DR

Himalayas: Indian-Eurasian Plate collision (50 Mya, ongoing 4-5 cm/yr). Hosts all 14 eight-thousanders, third-largest ice mass after poles. Glaciers feed 10 major rivers providing water for 1.9B people. Everest 8,848.86m (2020 joint survey).

## Core Explanation

Geology: double-thick crust (70 km) beneath Tibetan Plateau. MCT and MBT fault systems. 2015 Gorkha earthquake M7.8, 9,000 killed. Glaciers: 40,000 km², retreating 10-60m/year, 45-90% loss projected by 2100. K2 fatality rate 25% pre-2000. Siachen Glacier: highest battlefield (India-Pakistan). Everest permit $11,000/person.

## Detailed Analysis

[待后续补充。]

## Further Reading

- [Source 1 — Himalayas: Geology, Glaciers, and Geopolitical Boundaries](https://www.usgs.gov/)

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