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Potential ore-grade lithium resource in the United States


Hertz Lithium’s Lucky Mica Property is well positioned in the Arizona Pegmatite Belt, an emerging high-grade hard rock lithium district with known lithium deposits

Pegmatites contain lithium-bearing minerals known as Lepidolite and Spodumene
Lithium from pegmatites can be used to create lithium carbonate or lithium hydroxide
Historical exploration demonstrated potential to host hard-rock spodumene lithium deposits
Lithium hydroxide is becoming more desirable by battery producers


The Lucky Mica Property is part of the Arizona Pegmatite Belt, along the southern margin of the basin and range tectonic domain

Pegmatites in this belt occur in igneous and metamorphic rocks of Precambrian age. These are partly covered by sedimentary and volcanic rocks of Tertiary and Quaternary age.

Historically demonstrated lithium potential

According to a report issued by SGS Canada in 2017 on Redzone’s original 25 claims

Based on the surface mapping, sectional interpretation and sampling for the Lucky Mica dike alone, SGS Canada Inc. has defined a target envelope tonnage of between 330,000 and 551,000 tonnes to a depth of 60m with average grades between 0.3% and 2.5% Li2O.

Work to date indicates at least seven (7) distinct pegmatite bodies on the Property.

Potential ore-grade lithium resource in the United States

Hertz Lithium’s 100% owned Lucky Mica Property covers 939 hectares in Maricopa Country, Arizona along the Arizona Pegmatite Belt.*

The Property is approximately 10 km southwest of the town of Wickenburg. The area is easily accessible through the public road network and is approximately 105 km northwest of Phoenix.

Early exploration results have confirmed with outcropping pegmatites with anomalous Li, Ta, andNb geochemistry.

Acquired the Lucky Mica Project to follow up on historic work with recent surface sampling exploration with results including 34,850 ppm lithium. Extensive and targeted 2023 work programs planned to advance the project.

proposed exploration

Phase 1:

  1. Remote Sensing 
  2. Data Compilation – Ongoing 
  3. Field mapping and Prospecting 
  4. Trenching, mapping and sampling 
  5. Laboratory geochemical analysis 
  6. Geophysical/Lithostructural Interpretation and targeting. 

Digital elevation models (3D Topographical Models) over the requested area including data compilation of up to 25 ground assessments, 12 airborne survey assessments, and 2 underground assessments, as well as abundant government data packages containing surface rock, lake, sediment, litho-Geochem, and chronology are available.

The mapping and sampling would be extended into a systematic trenching program over the principal lucky mica showing, both to expose the outcrop and fresh pegmatite for systematic trench channel sampling. 

Trenching over the out-cropping pegmatites at the Lucky Mica showing will define the limits of pegmatite emplacement more clearly and determine the along strike continuity of the pegmatite body. A total 20 trenches ranging in length from 30 m to 100 m across the pegmatite strike are proposed to be exposed. 

Channel sampling from within the trenches would be completed at typical 1 m sample lengths approximately perpendicular across the exposed pegmatite. 

proposed exploration

Phase 2:

  1. Exploration Drilling 
  2. Laboratory geochemical analysis 

A systematic drilling grid has been established for approximately 1500 m of diamond drilling to test continuity of the principal lucky mica pegmatite showing. 

A drilling grid has been established across the showing based on 25 m x 25 m grid spacing. It is anticipated that drill holes offset approximately 50 – 100 m from the out crops would be advanced at moderate dip to intersect the perpendicular down dip extensions at 50 – 100 m depth. A detailed drill hole plan is to be developed upon the results of the Phase 1 investigations. 

Based on a preliminary 1500m drilling program it is anticipated that approximately 10 holes may be advanced during the drilling confirmation Phase 2 explorations. 

A combination of digital data capture tools to supplement drill hole logging and sampling to provide quality assurance, and quality control over the data being collected. 

Assay results and interpretation with be utilized to develop a follow-up program with drill hole targeting. 


Given the high definition of the available maps and in order to have a sense of magnitude of the mineralization, SGS modelled the Lucky Mica dike in 3D

Projects along the Arizona Pegmatite Belt include:

Big Sandy - $131M

Arizona Lithium’s successful 2019 drill program resulted in the estimation of a total Indicated and Inferred JORC resource of 32.5 million tonnes grading 1,850 ppm Li for 320,800 tonnes Li2CO31. This represents 4% of the Big Sandy Project area that contains an estimated exploration target of between 271.1Mt to 483.15Mt at 1,000 – >2,000ppm Li2.

San Domingo - $36M

Bradda Head Lithium, listed on the CSE V.BHLI operates its San Domingo project – a lithium pegmatite project located in Maricopa and Yavapai counties, Arizona. It was historically mined for lithium in the 1940’s and 50’s. Access to the project location is via a dirt road 7 miles from Arizona Highway 74 that connects Wickenburg and Phoenix.

Wickenburg - $24.9M

Similar to Lucky Mica, Patriot Lithium’s Wickenburg Project pegmatites are hosted in Paleoproterozoic-aged Yavapai Schist, outcropping through Tertiary- & Quaternary-aged sedimentary and volcanic rocks. Patriot Lithium plans to confirm the Fortner Boyd and Ambly LCT pegmatite prospect occurrences within the western and eastern Wickenburg claim blocks during their initial exploration.


BrightRock Gold Corp. is a lithium exploration company focused on developing its flagship project “Revival of the Midnight Owl Mine”. Previously known in historical records as the “Lithium King Mine” located approximately 13 miles east of Wickenburg, Arizona. BrightRock Gold Corp. holds a 100% ownership and interest in the “Midnight Owl Mine” along with an adjoining 1400 acres, 69 lode claims. A lithium pegmatite project strategically located within 70 miles of two under construction battery plants.

Lucky Mica Project

Historic Work

In 2017, Redzone Resources conducted work on the project and published a NI 43-101 Technical Report by SGS Canada which stated:

Target envelope defined by SGS Canada suggests the Lucky Mica Dike contains mineral tonnage of between 330,000 and 551,000 tonnes to a depth of 60m with average grades between 0.3% and 2.5% Li2O

“Early prospecting and geochemical analysis show that the spodumene bearing pegmatites have grades comparable to the average grade of other pegmatite projects where studies have been completed indicating positive economics (for example Nemaska Lithium 1.50% Li2O, North American Lithium 1.99% Li2O and Galaxy Resources 1.28% Li2O); with one grab sample (from spodumene rich pegmatite) returning a grade up to 7.5% Li2O. Furthermore, the geochemical zoning observed on the Property is consistent with LCT-type pegmatite and within the lithium bearing zoning. The Lucky Mica dyke and newly discovered pegmatite outcrops were sampled in order to assess the existence of lithium mineralization and potential for the Property.” – Redzone Resources

Infrastructure & Access

Hertz Lithium has acquired the Lucky Mica Project to follow up on historic work with recent surface sampling exploration on the project.

  • Well positioned within the Arizona Pegmatite Belt

  • Pegmatites contain a lithium-bearing mineral known as Spodumene

  • Historical exploration demonstrated potential to host hard-rock spodumene lithium deposits

  • Lithium from pegmatites can be used to create lithium carbonate or lithium hydroxide

  • Lithium hydroxide is becoming more desirable by battery producers

The world’s insatiable demand for high purity lithium products to feed the booming battery market is prompting renewed interest in the exploration and development of spodumene deposits, with a number of projects underway.

Hertz is one of very few North American Lithium exploration groups with a focus on hard rock Lithium targets in the Western United States


ADVANCING the lucky Mica Prospect

Hertz Lithium has conducted field work at the Lucky Mica Property and published an updated NI 43-101 Technical Report which concludes:

Conclusions and Recommendations

  • Further exploration work focused on identifying potential mineral resources

  • Expand exploration of the Lucky Mica Dike target envelope defined by SGS Canada

  • Targeted exploration of pegmatites on the property, including sampling and mapping the seven distinct pegmatite bodies identified by SGS Canada 

  • Explore the multiple zones of lithium mineralization to assemble an economic resource tonnage and grade.