Lower Siang Bichom Phosphatic-Nodule Zones Rockhounding & Mineral Guide

Quick answer

Lower Siang Bichom Phosphatic-Nodule Zones is a sourced Arunachal Pradesh geological/mineral context. Reported interests include Phosphatic nodules, Chert, Pyrite, Carbonaceous shale. Access status: Reference / viewing only.

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MaterialsPhosphatic nodules, Chert, Pyrite, Carbonaceous shale

Locality typeExploration Area

Access statusReference / viewing only

Map precisionNamed locality/regional geologic context; no specimen-level access coordinate established

DistrictLower Siang

ReviewedSeptember 8, 2026

What is documented here?

IBM 2024 reports 15 nodule-bearing zones in carbonaceous shale of the Bichom Formation in Lower Siang, including cherty nodules and pyrite.

Can you collect here?

Reference, exploration, mineral-block, mine/resource, forest or otherwise regulated geological context. It is not presented as a public recreational collecting site.

The cited source documents a regulated/exploration/resource context; it does not establish recreational specimen access.

Before visiting

Do not treat this point as a public collecting destination. Confirm current land, forest/protected-area, mineral-right, local/tribal authority and mining/permit status with the competent authority.

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Related Arunachal Pradesh localities

Potin Polymetallic Sulphide Occurrence Yazali–Tago Sulphide Occurrence Ziro–Tamen Sulphide Occurrence Saddle Sulphide Occurrence

Field-use reminder: a geological occurrence or map pin does not create a right to collect.