Thursday 27th July 2017

Resource Clips


Posts tagged ‘utah’

Equitorial Exploration to drill for NWT lithium

June 28th, 2017

by Greg Klein | June 28, 2017

The rig returns to a Northwest Territories hardrock lithium project for the first time in a decade as Equitorial Exploration TSXV:EXX heads to the field in July. About 30 kilometres from the former Cantung tungsten mine in the territory’s southwest, the Little Nahanni Pegmatite Group project will also undergo mapping, channel sampling and resampling of drill core from 2007 when two holes struck intervals of 1.2% Li2O over 10.94 metres and 0.92% over 18.27 metres.

Equitorial Exploration to drill for NWT lithium

Red paint marks a channel sample
interval from last year’s field work at LNPG.

Summer drilling will test the vertical extent of lithium-cesium-tantalum-type pegmatite dyke swarms now identified at about 300 metres in depth and 13 kilometres in strike. The dykes are well exposed on cirque walls of the mountainous terrain, the company stated.

Channel sampling last year brought assays up to 1.13% Li2O, 71.1 g/t Ta2O5 and 0.03% SnO2 over 10.35 metres. That included a sub-interval of 1.86% Li2O, 116.7 g/t Ta2O5 and 0.05% SnO2 over 6.3 metres.

Three specimen samples released in October brought results up to 2.85% Li2O, 28.1 g/t Ta2O5 and 0.05% SnO2.

Equitorial filed a 43-101 technical report on the LNPG project in March.

In Utah last May, the company staked another 1,092 hectares, expanding its Tule Valley lithium project to about 2,792 hectares. That gives Equitorial the entire Tule Valley Basin, which the company describes as a closed basin which could be similar to Nevada’s Clayton Valley. Equitorial also sees Clayton Valley similarities in the company’s Gerlach property in Nevada.

Voltaic Minerals encouraged by lithium brine extraction tests

June 15th, 2017

by Greg Klein | June 15, 2017

The goal of quicker, cheaper lithium extraction came closer as Voltaic Minerals TSXV:VLT announced progress on a new technique to separate the battery mineral from brines. Conducted by Lithium Selective Technologies at its northern California facility, initial tests produced significant enhancement of lithium concentration and lithium-calcium ratios, LiST stated. The company’s staff have over 85 combined years of related experience.

Voltaic Minerals encouraged by lithium brine extraction tests

Lithium occurs with other minerals in an over-
saturated brine at Voltaic’s Green Energy project in Utah.

Their tests apply techniques already used commercially in mineral extraction and water treatment but new to lithium production. The techniques were adapted to an artificial brine based on historic fluid analysis from Voltaic’s Green Energy project in Utah.

Historic data from oil and gas exploration shows lithium-bearing brine originating from clastic units on the 1,683-hectare property, where the company hopes to begin sampling this summer.

“We are extremely optimistic that increased selectivity performance and concentration enhancement can be expected as optimization testing proceeds,” said William Bourcier of LiST.

As research continues, the two companies have extended their exclusivity agreement while a definitive agreement could follow further tests. Meanwhile the initial results will undergo third-party verification. The final outcome could be marketed to other lithium brine projects.

“If successful, this process could create value from known resources in the U.S. and globally,” added Voltaic project manager and 35-year chemical engineer Tom Currin.

Read more about Voltaic Minerals and the selective extraction project.

Equitorial Exploration expands Utah lithium claims

May 24th, 2017

by Greg Klein | May 24, 2017

Pleased with geophysical results from its Tule Valley lithium project in Utah, Equitorial Exploration TSXV:EXX has increased its holdings to take in the entire Tule Valley Basin. A ground gravity survey shows “the Tule Valley fill has a depth of over 500 metres in the western portion of the property” and “the valley fill deepens further than 500 metres heading east from the current claim blocks,” Equitorial stated.

Equitorial Exploration expands Utah lithium claims

As a closed basin, Tule Valley might
host an extremely mineralized brine.

As a result the company staked another 1,092 hectares, expanding the property to about 2,792 hectares. Equitorial plans to drill the property this season.

The company also has discussions underway with other parties to assess methods of extracting metals from water.

Equitorial characterizes the Tule Valley as a closed basin in which surface water and groundwater flowing into the basin have no escape route. Surface evaporation leaves minerals dissolved in brines and evaporation pools. In that respect Tule Valley might be similar to Nevada’s Clayton Valley, the company added.

The road-accessible property sits about 190 kilometres from Salt Lake City.

Equitorial’s two other lithium projects include the Gerlach property in Nevada, which the company describes as an under-explored closed basin “in an area structurally comparable to that of Clayton Valley.” In the Northwest Territories, the company holds the Little Nahanni Pegmatite Group property, for which Equitorial filed a 43-101 technical report last March.

Voltaic Minerals project manager Tom Currin comments on selective extraction tests for the company’s Green Energy lithium brine project in Utah

May 19th, 2017

…Read more

Lab work evaluates Voltaic Minerals’ potential for domestic U.S. lithium

April 11th, 2017

by Greg Klein | April 11, 2017

A California lab now has lithium extraction tests underway that could prove productive for Voltaic Minerals’ (TSXV:VLT) Green Energy property in Utah, as well as other lithium brine projects. Lithium Selective Technologies has begun work on an artificial brine similar to that determined by historic fluid analysis at Green Energy. With a team comprising 85 years of related experience, LiST endeavours to find a selection process for non-conventional brines.

Lab work evaluates Voltaic Minerals’ potential for domestic U.S. lithium

Selective extraction could open Utah’s potential
for unconventional sources of lithium brine.

The result could open lithium brine potential closer to Tesla’s Gigafactories, without relying on the huge evaporation ponds and exceedingly dry climate that characterize South American deposits.

“If successful, this process could create value from known resources in the U.S. and globally,” said Tom Currin. A 35-year chemical engineer, the Voltaic project manager and LiST principal has extensive experience in lithium projects and selective extraction. “The company is incorporating selective techniques used commercially in mineral extraction and water treatment in a novel fashion to achieve a result not yet seen in the lithium process sector.”

Phase I would take about 90 days and should provide enough data for the two companies to sign a definitive agreement to further develop and market the process.

Last week Voltaic announced an agreement with Stormcrow Capital to provide strategic, technical and business support. Led by Jon Hykawy, a physicist with an MBA in marketing who’s a recognized expert in critical and energy minerals, Stormcrow will introduce Voltaic to potential investors and partners, as well as offer technical analysis regarding selective extraction.

Historic oil and gas exploration data shows lithium-bearing brine originating from clastic units on the 1,683-hectare Green Energy property. Voltaic’s next steps include re-opening the wellheads to conduct sampling, expected to begin in spring or summer.

Equitorial Exploration closes acquisition of two western U.S. lithium properties

April 7th, 2017

by Greg Klein | April 7, 2017

With the deal now complete, Equitorial Exploration TSXV:EXX builds a portfolio of lithium properties. The company picked up the Tule Valley project in Utah and the Gerlach property in Nevada by paying Umbral Energy CSE:UMB $50,000 and two million shares, as well as assuming a payment of $100,000. A 2% NSR applies to both properties.

Equitorial Exploration closes acquisition of western U.S. lithium properties

The under-explored Gerlach property might
host structural similarities to Clayton Valley.

Umbral described Tule Valley as a closed valley several kilometres south of lithium source rocks, with active groundwater flow along its western margin. The property “has been affected by evaporate-style processes,” the company stated. “Tule Valley may therefore be conducive to the presence of lithium-bearing groundwater. In this respect, Tule Valley has similar characteristics to Clayton Valley, Nevada, a dry lake bed where lithium is derived from brines located within more porous sediment layers at depth under playa.”

As for Gerlach, also known as the San Emidio project, Umbral characterized it as an under-explored closed basin “in an area structurally comparable to that of Clayton Valley, being bounded by normal faults to the east and west of the property and surrounded by volcanics such as rhyolitic flows and tuffs.”

In March Equitorial filed a 43-101 technical report for its Little Nahanni Pegmatite Group property in the Northwest Territories, a hardrock project that underwent sampling last year. This year’s LNPG program could include resampling previous core, mapping, prospecting, channel sampling and drilling.

Equitorial Exploration files 43-101 for NWT lithium project

March 17th, 2017

by Greg Klein | March 17, 2017

Citing highly encouraging results, a 43-101 technical report has been completed and filed for Equitorial Exploration’s (TSXV:EXX) Little Nahanni Pegmatite Group property in the Northwest Territories.

Equitorial Exploration files 43-101 for NWT lithium project

LNPG’s mountainous terrain could undergo drilling this year.

Also referred to as LNPG or the Li property, the project underwent sampling last year, with results reported in October and September.

Field work traced lithium-cesium-tantalum pegmatite dyke swarms over a combined length of 13 kilometres on the property’s mountainous terrain, the company stated. The dykes’ vertical extent has been traced for 300 metres through natural exposure and drilling in 2007. “Where sampled, each dyke swarm is up to 52.6 metres wide and contains multiple dykes that range from 0.2 to 10 metres in width.”

This year Equitorial anticipates resampling the 2007 core, drilling, channel sampling, mapping and prospecting.

Located in the southern NWT just east of the Yukon border, LNPG sits about 30 kilometres from the former Cantung tungsten mine. In addition to the NWT hardrock project, Equitorial has begun the acquisition of two lithium brine projects in Utah and Nevada, proximal to the Tesla Gigafactory #1.

Voltaic Minerals project manager Thomas Currin discusses a selective extraction process for lithium

December 15th, 2016

…Read more

Voltaic Minerals verifies brine flow, works towards bulk sampling on Utah lithium project

December 12th, 2016

by Greg Klein | December 12, 2016

A thorough review of historic data confirms brine flow on Voltaic Minerals’ (TSXV:VLT) Green Energy lithium project in Utah’s Paradox Basin. Analysis shows that brine flow in five oil and gas exploration wells originated from multiple sources including four of the property’s clastic units.

Voltaic Minerals verifies brine flow, works towards bulk sampling on Utah lithium project

Already figuring prominently in a 3D model created earlier by Voltaic, clastic unit #14 was historically intercepted in three wells at an average depth of about 1,900 metres and measured 6.1 metres thick.

To follow up, Voltaic hopes to re-open historic well heads for bulk sampling, potentially confirming a lithium-bearing zone, as well as verifying brine data including flow rates, temperature and metallurgy.

Historic data reports brine carrying lithium up to 187 milligrams per litre on the 1,683-hectare property and up to 1,700 mg/l 150 metres east.

The company also continues its work with newly appointed director/project manager Thomas Currin and Enertrex Corp to develop a selective lithium extraction process that would cut time and costs, with a plan to market the process to other companies.

Read more about Voltaic Minerals.

Lithium: from brine to market

November 29th, 2016

Voltaic Minerals aims to simplify extraction and commercialize the process

by Greg Klein

Update: With Thomas Currin a principal in the company, Lithium Selective Technologies has taken the place of Enertrex Corp in the selective extraction studies.

Cost of production and timeline to market—those are critical issues for any project in the increasingly crowded lithium space. And that’s what attracted Thomas Currin to Voltaic Minerals TSXV:VLT. The newly appointed director/project manager sees the company’s Green Energy project in Utah’s Paradox Basin as highly prospective for creating a selective extraction process that would address both challenges. With Currin on board, Voltaic hopes not only to develop a successful project but to market the process to other companies.

“Some people like to classify lithium as a commodity, but it’s a specialty chemical,” Currin explains. “In the specialty chemical business you don’t separate R&D and process development from manufacturing. A good specialty chemical company is one that’s been able to integrate all those applications.

Voltaic Minerals wants to simplify extraction and commercialize the process

“I’m a chemical engineer who’s been in the manufacturing process in the lithium field for 35 years,” he adds. “With a manufacturing process background everything is about opex and capex, and how to optimize both.”

Having managed lithium extraction projects in Chile, Peru, Mexico, Canada and the U.S., he’s worked for FMC Lithium, Li3 Energy, his own company Limtech Technologies and currently Enertrex Corp, which signed an MOU with Voltaic late last month.

As technical consultant for Enertrex he’s been working with two PhDs on selective removal of specific minerals from wastewater streams and geothermal brines. “We’ve come up with a technology that can extract lithium selectively, so we were looking for a project that could commercialize our technology. I’ve seen pretty much every lithium project in the world over the last 10 to 15 years, and what attracted me to Voltaic and the Paradox Basin are the oil and gas wells in a Basin that also has lithium salts and potassium salts.”

Located about 965 kilometres from the Tesla Motors Gigafactory and close to road, rail, power and the Intrepid Potash NYSE:IPI Cane Creek solution mine, the 1,683-hectare Green Energy property underwent oil and gas drilling during the 1960s. Historic analysis of regional drilling showed lithium in saturated brines grading 81 mg to 174 mg per litre.

“Here’s a project with historic wells, historic data, a few kilometres from a facility producing potash which is a very similar salt to lithium, and a company that realizes that time to market is critical.

“It seemed like a perfect match, the place to do process development work in parallel with resource development and demonstrate Enertrex’s lithium-specific process. If we could remove the lithium economically, we could market it to other lithium projects. The technology would be a paradigm-shifter.”

After evaluating historic data, Voltaic plans to re-perforate some of the wells and draw samples. While the company evaluates Green Energy’s resource potential, Currin will study the concentrations of lithium and impurities like magnesium, calcium and boron to develop the processing chemistry.

That’s what we’re taking advantage of—existing technologies, proven systems that we can re-configure to extract the lithium from a saturated impurity stream. With all the other technologies, you have to remove all the impurities before you extract the lithium. That’s a tremendous cost.—Thomas Currin,
director/project manager
for Voltaic Minerals

“Sampling traditionally takes 20-litre amounts, but our first sample will be 20,000 litres so we can start processing it,” he explains. “Our money will be invested in developing not only a 43-101 resource but also a process by which we can be competitive.”

Call it optimistic or aggressive, Voltaic believes a property of merit could potentially offer customers a 100-kilogram sample of lithium carbonite within 14 months. Plans call for three 90-day testing phases into H2 of next year, when work would overlap with pilot-scale processing.

“This isn’t my first rodeo,” Currin notes.

With Limtech he developed a selective process to extract and concentrate silica from geothermal brines, which won the company a 2016 Outstanding Partnership Regional Award from the U.S. Federal Laboratory Consortium for Technology Transfer.

He’s also worked on selective lithium-ion exchange resins with FMC and, in his client project work, evaluated the use of several lithium-selective solvent exchange systems.

“The membrane technology for de-salinization has become much more economical, that technology has blossomed in the last 10 years, and that’s what we’re taking advantage of—existing technologies, proven systems that we can re-configure to extract the lithium from a saturated impurity stream. With all the other technologies, you have to remove all the impurities before you extract the lithium. That’s a tremendous cost.”

In addition to replacing the lengthy solar evaporation stage, the process would feature a modular design that could speed progress from pilot plant to production. With Green Energy’s existing wells, the project’s fast-track potential looks good, he maintains.

Should success be achieved there, the process could be applied to deposits with different metallurgy, making the technique marketable to other companies.

“Chilean brines are the most cost-effective sources of lithium in the world,” he says. “But there’s growing demand for sources outside South America. Our selective extraction process could help other projects compete with the Lithium Triangle.”