Source provenance
Stauffer, K.W. (1975). Geology of the Khyber Pass, Khyber Agency, Pakistan. U.S. Geological Survey Open-File Report 75-272.
Primary Literature search 1975
Cited by 1 unit (0 published) · 0 field-level citations · 1 revision note.
Public-domain USGS map of the Khyber Pass area. With Khan (1969), documents the Ghundai Sar Siluro-Devonian reef complex (four lithologic units; corals, stromatoporoids, crinoids, graptolites) N of Jamrud. Distinct from stauffer-1975 (Gilgit-Hispar). Located via agent-assisted literature search; confirm against the PDF.
This page is the reverse of each unit's per-field citations — it shows exactly what this reference supports, making the dataset's “no source, no fact” rule browsable both ways.
Units citing this source
-
- Lithology: Independently described (Khan 1969; Stauffer 1975, USGS OFR 75-272; and later Peshawar-basin reef studies): a Siluro-Devonian reef complex forming an isolated hill N of Jamrud Fort, subdivided into dolomitized quartzite, talus/reef breccia, crinoidal limestone with phyllite, and a reef-core unit; fauna include corals, stromatoporoids, crinoids and graptolites. Literature-search-derived; confirm against PDF.