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LEAD • METALLIC MINERAL

Lead Ore & Galena Context in Pakistan

Lead-bearing material in Pakistan occurs predominantly as galena within sediment-hosted Mississippi Valley-type (MVT) systems, polymetallic veins, and mixed sulfide bodies. Buyers must distinguish between run-of-mine ore, sorted high-density lump, and flotation concentrates.

Product Form
Flotation Concentrate / Sorted Lump
Main Assay
Target Pb % (Lot-Specific Verification)
Regional Context
Lasbela-Khuzdar MVT Belt, Balochistan
Evidence Category
Official Production Evidence (P)
Representative cubic galena lead ore specimen associated with Pakistan geological context
Representative mineral material: Cubic galena crystal aggregate on carbonate matrix. Occurrence does not constitute available inventory.
Representative material specimen. Occurrence does not constitute available inventory. Consignment verification required.

Mandatory Claim Boundary & Sourcing Notice: This page describes mineral/material evidence and buyer requirements. It does not represent current Enigma Earth inventory. Source, ownership, grade, quantity and availability must be verified for the specific enquiry.

GEOLOGICAL APPRAISAL

Mineralogy & Geological Occurrence

Pakistan hosts lead mineralization predominantly in the Axial Fold Belt of Balochistan and metamorphic terranes of northern Khyber Pakhtunkhwa. Deposits typically present galena in association with sphalerite, pyrite, barite, and minor argentiferous phases.

Geological Setting & Host Formations

The primary lead metallogenic province is the Lasbela-Khuzdar MVT belt in southern Balochistan, hosted within Jurassic Shirinab Formation calcareous formations. Additional occurrences include hydrothermal quartz-sulfide veins crosscutting metasedimentary rocks in the Besham, Kohistan, and Chitral districts of KP.

Key Mineralogy & Chemical Formula

Primary hypogene mineralization is dominated by galena (PbS), often carrying minor silver (Ag) credits. Supergene alteration zones can yield secondary carbonates (cerussite) and sulfates (anglesite) near surface outcrops.

Formula: Galena (PbS), Cerussite (PbCO3), Anglesite (PbSO4)
PAKISTAN EVIDENCE

Pakistan Evidence & Regional Context

Lead extraction in Pakistan is documented through positive official reporting and historical corporate operations in the Lasbela-Khuzdar metallogenic belt. Private market trading of unrefined lead material requires verified concession origin and legal transport clearance.

[P]Official Production Evidence
BalochistanRegional Context

Lasbela-Khuzdar Belt (Duddar, Gunga, Surmai)

Sediment-hosted stratabound and MVT lead-zinc deposits. Duddar represents a major underground development historically operating under concession frameworks. Occurrence does not equal available third-party stock.

Documented Regional Occurrence
Khyber PakhtunkhwaRegional Context

Besham, Kohistan & Chitral Vein Belts

Hydrothermal polymetallic sulfide veins in metamorphic basement rocks; exploration context requiring systematic trenching and sampling.

Documented Regional Occurrence
Evidence Boundary: Balochistan represents the primary contextual province. Documented presence in geological surveys does not establish current commercial extraction or unencumbered mineral title.
PRODUCT ARCHITECTURE

Commercial Forms & Processing Stages

Commercial requirements must strictly differentiate between raw extraction, sorted grades, and processed products.

01

Flotation Lead Concentrate

Fine mineral powder produced through differential froth flotation of pulverized galena ore. Standard commercial export medium for international primary lead smelters.

Fine dry powder (80% passing 75 microns / 200 mesh)
02

Direct Shipping Crude Ore (DSO)

Run-of-mine ore extracted from high-grade veins. Requires selective hand-sorting or gravity separation before bulk shipment.

Screened lump ore (10 mm to 80 mm)
03

Mixed Polymetallic Bulk Concentrate

Combined lead-zinc bulk concentrate requiring specialized Imperial Smelting Process (ISP) metallurgy. Requires clear buyer specification.

Flotation filter cake
TECHNICAL QUALIFICATION

Buyer Specification Requirements

Prospective buyers and project owners should specify the parameters below. Values represent typical industrial targets and do not imply universal Pakistani deposit compliance.

Assay & Elemental Composition

6 Parameters
Lead Content (Pb)
Flotation concentrate typically 55.0% - 65.0% Pb; crude lump requires lot assay
Primary payable metal; lot-specific assay required
Zinc Content (Zn)
Typically < 5.0% in clean lead concentrate
Smelter penalty applied if elevated
Silver Credit (Ag)
Variable: 100 - 350 g/MT in argentiferous galena
Payable byproduct element subject to contract terms
Arsenic (As) & Antimony (Sb)
Combined As + Sb typically < 0.50% (As < 0.30%, Sb < 0.20%)
Volatile smelter penalty impurities requiring verification
Total Iron (Fe)
Typically < 8.0% Fe in clean lead concentrate
Affects blast furnace slag viscosity and fuel consumption
Total Sulfur (S)
Typically 14.0% - 18.0% S in sulfide concentrates
Acid plant roasting parameter

Physical & Moisture Parameters

2 Parameters
Moisture Content
Maximum 8.5% free moisture
TML certification mandatory for maritime freight
Product Form & Sizing
Flotation concentrate powder (80% passing 75 microns) vs DSO cobbed lump (10 mm - 80 mm)
Sieve verification required per lot

Commercial & Lot Parameters

3 Parameters
Consignment Volume (Quantity)
Parcels from 100 MT trial to 1,000 MT commercial lots
Subject to verified availability and aggregation
Packaging Standards
1.5 MT heavy-duty UV-stabilized big bags with inner moisture barrier
Tamper-evident seals
Inspection Authority
Independent accredited surveyor (ALS, SGS, Alfred H Knight)
Sampling at load port or designated consolidation depot
VERIFICATION PROTOCOL

Testing & Verification Requirements

Testing and quality verification must be conducted by an appropriate independent laboratory. Commercial transactions require representative sampling, assay, chemical analysis or gemological appraisal, and third-party inspection. Enigma Earth does not maintain a private testing monopoly.

Representative Sampling

Systematic increment stream or spear sampling in compliance with ISO 12743 for lead concentrates. Sealed composite preparation with duplicate umpire portions.

Standard Test Methods
  • ISO 13658 (Lead sulfide concentrates — Determination of lead content — EDTA titration)
  • ASTM E945 (Determination of Zinc in Ore and Concentrates)
  • IMO IMSBC Code (Transportable Moisture Limit & Flow Moisture Point testing)
Laboratory Independence

All commercial contracting requires third-party accredited laboratory verification. Enigma Earth does not maintain a private assay monopoly; testing must be performed by mutually agreed accredited laboratories.

QUALITY CRITERIA

Impurity Tolerances & Critical Penalty Factors

Commercial specifications require explicit thresholds for penalty elements, structural soundness, color uniformity, and treatment parameters.

Bismuth (Bi)

Quality Parameter

Operational Impact: Critical penalty element in lead refining; requires energy-intensive Kroll-Betterton debismuthizing process

Tolerance: Penalties apply > 0.05%; rejection typically > 0.15%

Arsenic (As) & Antimony (Sb)

Quality Parameter

Operational Impact: Volatile smelter impurities; form dross during blast furnace reduction and require specialized baghouse capture

Tolerance: Combined As + Sb typically < 0.50%

Iron (Fe) & Silica (SiO2)

Quality Parameter

Operational Impact: Affects blast furnace slag viscosity and increases fuel consumption during smelting

Tolerance: Fe < 8.0%, SiO2 < 3.5%

Mercury (Hg)

Quality Parameter

Operational Impact: Stringent international maritime and environmental emission threshold

Tolerance: Rejection typically > 50 ppm
SUPPLY CHAIN INTEGRITY

Sourcing, Provenance & Preparation Logistics

Due diligence guidelines for legal chain of custody, packaging standards, and maritime export protocols.

Origin Verification & Licensing

All lead consignments must be accompanied by official provincial transport permits from the Directorate General of Mines & Minerals (DGMM), validated lease numbers, and complete chain-of-custody documentation.

Underground mine operations such as Duddar are held under formal corporate concessions. Commercial availability from regional sources requires rigorous title verification.

Provenance Caution: The presence of high-grade galena specimens in a regional deposit does not prove that an entire orebody is commercially recoverable. Lead occurrence does not establish recoverable grade, concentrate quality, or saleable quantity.
Packaging & Maritime Transport
  • 1.5 MT to 2.0 MT heavy-duty woven polypropylene bulk jumbo bags with inner polyethylene moisture liner
  • Bulk containerized transport with 20ft container liners

Flatbed trucking to Karachi Port or Port Qasim for containerized maritime export under IMO IMSBC guidelines.

Handling Caution: Lead concentrate is a toxic heavy metal material; handling requires PPE and strict compliance with IMSBC moisture and stability mandates.
INQUIRY SUBMISSION GUIDE

What to Send: Technical Requirement Checklist

To evaluate feasibility and structure compliant off-take, please include the following technical details in your enquiry.

1Desired product form (Flotation concentrate vs hand-sorted lump ore)
2Target lead grade range (Pb %) and minimum commercial cutoff
3Comprehensive penalty element limits (Bi, As, Sb, Hg, Fe, SiO2)
4Acceptable silver credit terms (Ag g/MT payment threshold)
5Consignment volume (trial parcel tonnage vs recurring monthly delivery)
6Delivery terms (FOB Karachi / Port Qasim vs CIF destination)
7Preferred independent inspection agency (ALS, SGS, Alfred H Knight)
Incomplete RFQs lacking grade cutoffs or consignment volumes cannot be processed.
Submit a Lead Requirement
FREQUENTLY ASKED QUESTIONS

Frequently Asked Questions: Lead Ore & Concentrates

Key questions regarding Pakistani mineral availability, testing protocols, and trade qualification.

International primary lead smelters overwhelmingly purchase flotation concentrate (typically 55% - 65% Pb) due to transport economics and furnace efficiencies. Direct-shipping lump ore is traded only when grade is exceptionally high and transport distances are manageable.

Structured Mineral Qualification

Structure a Compliant Lead Ore & Concentrates Requirement

Submit technical specifications, target grades, and consignment parameters for structured verification.