National Mineral Intelligence Hub

Officer / Miner Email

Security Password

Zimbabwe National Innovation Specification

6 Mining Belts

Sentinel-2 10m Optical MSI

EcoCash Instant Transit QR

Sentinel-2 MSI Coverage

94.8% Live

CNBC METALS

GOLD (GC=F) $2,894.20 ▲ +1.42%

PLATINUM (PL=F) $986.50 ▲ +0.68%

PALLADIUM (PA=F) $1,048.00 ▼ -0.35%

COPPER (HG=F) $4.45/lb ▲ +1.15%

LITHIUM SPODUMENE $1,280/t ▲ +0.50%

RBZ FIDELITY SPOT 77,620 ZiG/oz ▲ +0.12%

TM

Takunda Mhandu Lead Mineral Intelligence

Iron Oxide (B4 / B2) Low (0.5) — High Hematite/Gossan (3.2)

6 Monitored Belts

5 High Yield Zones

89% Avg Compliance

Sentinel-2 Level-2A 10m/20m

MINING CONCESSIONS

Loading Zimbabwean mining registry...

RGB

True Color Natural Sentinel-2 (B4+B3+B2)

B4/B2

Iron Oxide Hematite & Goethite Gossans

SWIR2+NIR

Ferrous Iron Ultramafic & Mafic Silicates

B11/B12

Clay Minerals Kaolinite & Hydrothermal Alteration

SWIR/NIR

Gossan Zone Weathered Sulfide Enrichment Cap

Red Edge

reNDVI Biomass Environmental Degradation Monitor

Flooded Pit

Flooded Pits (WRI) Water Ratio Index / Tailings Dams

Canny Edge

Lineaments Fault Lines & Shear Zones

Layer Opacity & Blending

Layer Opacity 80%

Formula: B4 / B2 (Red / Blue)

FIELD SPECIMEN OPTICAL CAMERA

Live Lens

Open device camera to capture field rock specimens, core drillings, or gossan outcrops for real-time spectral index estimation & mineral classification.

Upload Photo

GOOGLE EARTH ENGINE (GEE)

Cloud Ready

Scale petabyte satellite analytics & multi-temporal Sentinel-2 / Landsat-9 cloud processing for Zimbabwean mining cadastre and alteration belts.

GEE App Status:

Zimbabwe Earth Engine Mineral App (NMIH Core)

Total Mining Liquidity (Dual Rails)

LIVE SOVEREIGN ESCROW

$ 230.50 ~ 6,188.93 ZiG (RBZ Asset-Backed)

MTNSPEC CHANGE IT™ <200ms P2P

$85.50

2,295.68 ZiG • 0% ASM Fee

ECOCASH USSD Econet Direct

$145.00

3,893.25 ZiG • Cashout Escrow

Send Money / Instant Ore Lot Settlement

Recipient Phone Number (Econet / NetOne / Telecel)

Amount (USD $)

Quick Preset

Settlement Note / Concession Reference

Issue Digital Ore Transit Permit (MTNSPEC Cadastre)

Target Concession

Carrier / Vehicle Reg

Tonnage

Destination

Settlement Ledger (Dual Rails)

MTNSPEC & EcoCash

Index Name	Mathematical Formulation	Sentinel-2 Bands	Geological Target
Iron Oxide	`B4 / B2`	Red (665 nm) / Blue (490 nm)	Hematite, Goethite, Limonite gossan caps
Ferrous Iron	`(B12 / B8) + (B3 / B4)`	SWIR2 / NIR + Green / Red	Ultramafic intrusive complexes & chromite
Clay Minerals	`B11 / B12`	SWIR1 (1610 nm) / SWIR2 (2190 nm)	Hydrothermal alteration (Kaolinite, Alunite)
Gossan Zone	`B11 / B8A`	SWIR1 / Narrow NIR	Supergene sulfide enrichment caps
WRI (Water Ratio)	`(B5 + B6) / (B11 + B12)`	Red Edge / SWIR	Flooded artisanal pits & tailings dams

Active GEE Engine Session: Zimbabwe Spectral Exploration Console

Cloud API Latency: 38ms • Resolution: 10m Sentinel-2 MSI

EARTH ENGINE MULTI-BAND COMPOSITOR — ZIMBABWE

SENTINEL-2 L2A (10m) • GREAT DYKE PGE BAND COMPOSITE

Centroid: 19.670°S, 30.005°E • Cloud Cover: < 1.8%

GEE Band Processing Pipeline

01

Collection Filter

ee.ImageCollection('COPERNICUS/S2_SR_HARMONIZED')

02

Cloud Masking & Median Composite

QA60 mask & SCL valid land filter (2024-2026)

03

Spectral Mineral Ratio Calculation

Iron Oxide = B4 / B2 | Clay = B11 / B12

04

Vector Mask & Cadastre Overlay

Clip to Zimbabwe Boundary & Mining Cadastre

Have your custom GEE App link?
Paste it in the URL bar above and click Connect. It will embed and launch directly inside this viewer.

// ============================================================
// Google Earth Engine — Zimbabwe National Mineral Intelligence Hub
// Sentinel-2 MSI Multi-Spectral Alteration & Geological Analysis
// ============================================================

var zimBoundary = ee.FeatureCollection("FAO/GAUL/2015/level0")
  .filter(ee.Filter.eq('ADM0_NAME', 'Zimbabwe'));

// Sentinel-2 Level-2A Surface Reflectance Harmonized
var s2 = ee.ImageCollection('COPERNICUS/S2_SR_HARMONIZED')
  .filterBounds(zimBoundary)
  .filterDate('2025-01-01', '2026-03-31')
  .filter(ee.Filter.lt('CLOUDY_PIXEL_PERCENTAGE', 10));

// Mask clouds & shadows
function maskS2sr(image) {
  var qa = image.select('QA60');
  var cloudBitMask = 1 << 10;
  var cirrusBitMask = 1 << 11;
  var mask = qa.bitwiseAnd(cloudBitMask).eq(0)
    .and(qa.bitwiseAnd(cirrusBitMask).eq(0));
  return image.updateMask(mask).divide(10000);
}

var composite = s2.map(maskS2sr).median().clip(zimBoundary);

// 1. Iron Oxide Index (Gossan Indicator: B4/B2)
var ironOxide = composite.select('B4').divide(composite.select('B2'))
  .rename('iron_oxide');

// 2. Clay Minerals / Hydrothermal Alteration Index (B11/B12)
var clayIndex = composite.select('B11').divide(composite.select('B12'))
  .rename('clay_minerals');

// 3. Ferrous Iron Index (SWIR + NIR)
var ferrousIron = composite.select('B12').divide(composite.select('B8'))
  .rename('ferrous_iron');

// Visualization Palettes
Map.centerObject(zimBoundary, 7);
Map.addLayer(composite, {bands: ['B4', 'B3', 'B2'], min: 0, max: 0.3}, 'S2 True Color');
Map.addLayer(ironOxide, {min: 1.0, max: 2.8, palette: ['blue', 'cyan', 'yellow', 'orange', 'red']}, 'Iron Oxide Gossan (B4/B2)');
Map.addLayer(clayIndex, {min: 1.0, max: 2.2, palette: ['purple', 'blue', 'green', 'yellow']}, 'Hydrothermal Clay (B11/B12)');

Mineral Intelligence Hub

The National Mineral Intelligence Hub Architecture

1. Earth Observation Layer

2. Hybrid Geospatial Engine

3. Financial & Registry Layer

Why Moving Away from Streamlit Was Necessary:

Copernicus Constellation

GEE Masking & Cloud Filter

Spectral Band Math

FastAPI Tile Server

The National Mineral Intelligence Hub

AgriShield (Terra Drought)

Takunda Nigel Mhandu — Lead Innovator & Systems Architect

Gold (Au) Spot Intelligence

Zimbabwe National Reserve & Mining Hub Impact

Gossanous Ironstone (Hematite / Goethite)

GEE Mineral & Earth Observation App

GEE Band Processing Pipeline

Zimbabwe Rivers & Drainage Basin Network

World Soil & Zimbabwe Lithology Database