Cypress Development Corp. (TSXV: CYP | OTCQX: CYDVF) has reported results from a recently completed drill programme at its 100%-owned Clayton Valley Lithium Project in Nevada, U.S.
Cypress conducted a sonic drill programme in May 2022, to obtain sample material for lithium extraction testing at the company’s Lithium Extraction Facility in Amargosa Valley, Nevada, and to supplement the project’s resource model for a Feasibility Study that is currently underway.
According to the company, the best intersection of the programme was 70.1m of 1,336ppm lithium. The successful use of sonic drilling managed to obtain six- and four-inch diameter cores, totalling 580m for eight drill holes, ranging from 61 to 67m in depth. Cypress also acquired 15t of claystone for testing at the lithium extraction facility.
Cypress says the assay results are in line with lithium grades predicted at all eight locations by a resource block model developed by Global Resource Engineering (GRE). The overall estimated lithium grade for all eight locations from GRE’s model is 1,060ppm. This compares to the compiled average lithium grade from all eight holes drilled of 1,080ppm, for a variance of +2%.
The company says that when viewed in cross-section, the assay results are also consistent with those from previous drilling and support the continuation of a higher-grade northeast trend of lithium-bearing claystone on Cypress’s project as interpreted by GRE in developing the resource model. The results are encouraging and have potential to extend the company’s 2021 pit design through Cypress hole DCH-13 (82.3m, 1,221 ppm lithium) to CVS6, CVS7, and the northeast corner of the property.
“The drill programme was highly successful in generating material for our pilot plant and providing distinct data to strengthen the project’s resource model,” said Bill Willoughby, Cypress’s president and CEO.
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