Consolidated Drilling Report

Overview

• The Dauremas Project focuses on near-future production with defined in-situ indicated resources.
• The project includes the historical De Rust Tin Mine, operational between 1960–1990, which produced:
• 4–5 tons of tantalite concentrate (grading 54–61% Ta₂O₅).
• 4 tons of cassiterite concentrate (grading 64% Sn).
  (Source: The Mineral Resources of Namibia, Geological Survey, 1992)

Geological Features

• Pegmatite Swarms:
  The site comprises five distinct pegmatite locations:
• Main Pegmatite
• Secondary Pegmatite
• Southern Pegmatite
• Valley Pegmatite
• Northern Pegmatite
• Satellite imagery highlights:
• Historical open pits, tailings, and processing plants.
• Distances between pegmatites:
• Main Pegmatite: ~400m.
• Southern Pegmatite: ~250m.

Completed Surveys

Topographic surveys conducted by Terratec Namibia using Differential GPS include:

• Trimble R8 GPS base station and rover.
• TSC2 survey controller.
• HBP450 35W repeater radio.
• Tripods and accessories.
• Results define the pegmatite outlines, control points, and pit boundaries.

Drilling

Drilling Progress Update

• Total Drilling: 31 reverse circulation (RC) drill holes completed, covering 2,026 meters with a 140 mm diameter.
• Sampling: 1,350 chip samples collected at 1-meter intervals targeting pegmatite zones.
• Quality Assurance:
• Field duplicates: 10% (1 in 10 samples).
• Certified reference materials: 5% (1 in 20 samples).
• Blank materials: 2% (1 in 50 samples).
• Sample Preparation: Conducted at the DMD lab in Windhoek, meeting standards certified by M. Burnett from Snowden.
• Analysis:
• Two pulp samples prepared per meter.
• One analyzed in-house via XRF.
• One sent to Genalysis (Perth) for analysis of lithium (Li), tantalum (Ta), niobium (Nb), and uranium (U) using sodium peroxide fusion and ICP.

Confirm pegmatite geometry. Evaluate mineralogical content and grade.

Overview of Minerals

Lithium: A lightweight and highly reactive metal known for its exceptional energy storage capabilities. Lithium’s versatility makes it crucial in modern technology and renewable energy solutions.
Tantalum: A corrosion-resistant metal with excellent conductivity, widely used in high-performance applications like electronics and aerospace.
Tin: A malleable and corrosion-resistant metal utilized in soldering, coating, and various industrial processes.
Cesium: A soft, highly reactive alkali metal, prized for its use in precision technology and industrial applications.

Applications

• Lithium:

• Batteries for consumer electronics and electric vehicles (EVs).
• Energy storage systems for renewable energy.
• Key component in the shift toward a green energy future.

• Tantalum:

• Capacitors and components in electronics like smartphones and computers.
• Aerospace components requiring high strength and corrosion resistance.
• Medical devices such as implants due to biocompatibility.

• Tin:

• Solder for electronics and circuit boards.
• Protective coatings for corrosion resistance.
• Use in industrial alloys and packaging materials.

• Cesium:

• Essential in oil and gas drilling as a dense fluid additive.
• Used in atomic clocks for timekeeping precision.
• Specialty glasses for optics and radiation detection.

Market Demand

The global demand for these critical minerals continues to rise as industries shift toward greener technologies, advanced electronics, and renewable energy solutions. Lithium-ion batteries power the EV revolution, tantalum underpins high-tech industries, tin ensures reliable electronics, and cesium drives precision technologies. These trends position our resources at the forefront of global supply chains.

Resource Quality

We boast high-purity, large-volume reserves of these essential minerals:

• Lithium:

• • Total ore: 343,222 m³ (858,055 tons).
  • Grades range from 500–13,000 ppm, averaging 2,430 ppm Li (5,405 ppm LiO₂).
  • Contained lithium oxide: 4,637,476 kg.

• Tantalum:

• • Total ore: 389,484 m³ (973,723 tons).
  • Grades range from 50–1,000 ppm, averaging 206 ppm Ta₂O₅.
  • Contained tantalum pentoxide: 200,498 kg.

• Tin:

• • Total ore: 391,650 m³ (979,138 tons).
  • Grades range from 50–4,000 ppm, averaging 713 ppm Sn.
  • Contained tin: 698,203 kg.