Crestview Exploration is a technology driven, well funded and experienced exploration company focused on finding gold and silver deposits in mining friendly jurisdictions. The companies Rock Creek, Divide Mine and Castile Mountain projects are located in north-central Nevada, in Elko County. The Divide Mine is located in the northwest portion of the Tuscarora Mining District.
-Rock Creek Project: The Rock Creek Project area is located in the Tuscarora Mountains of north-central Nevada, in Elko County. The center of the Rock Creek project area is approximately at 41º 22' North Latitude and 116º 23’ West Longitude, and is about 12 miles northwest of the old mining town of Tuscarora, which in turn is about 38 miles northwest of the town of Elko.
Elko is the county seat, and lies on Interstate Highway I-80 about halfway between Reno, Nevada and Salt Lake City, Utah. The Property in the project area together add up to 72 unpatented lode mining claims, with each claim covering 20.6 acres. It is approximately 3 miles long by 1 mile wide (maximum dimensions), and covers an area of about 1,508 acres.
The Project area is situated within a zone of “world class” gold endowment where the potential of finding a large, high-grade, gold mine are favorable. Past work has defined large (>1000 x 5000 ft.) areas of strongly argillized volcanic rocks which host numerous silicified breccia zones, and it is believed that the proposed exploration program offers an excellent opportunity to discover new Carlin type mineralization beneath shallow volcanic cover on this property.
Mineralized Eocene dikes have been found in many of the mines within the Carlin trend, and the temporal and spatial correlation with Carlin-type gold mineralization suggests a genetic link.
Work is preposed to be carried out in two phases, with the second being contingent upon the successful completion of the first phase.
Phase 1
The first phase would be CSAMT geophysics, data compilation, data acquisition, base map configuration, detailed geologic mapping, additional soil and rock chip sampling, obtaining IP survey and supervision and reporting.
Phase 2
The second phase would include 15,000 ft. of drilling, sample analysis, follow-up mapping, definition geochemical surveys, target selection, permitting, additional geophysical surveying, and report writing.
-Divide mine project: The Divide Mine sits on the eastern flank of a prominent upthrown block exposing sedimentary rocks surrounded by 40-million-year-old volcanic rocks. The sedimentary rocks exposed here are known to closely overlie favourable sedimentary gold mineralization host rocks in the region. Further, the age of the volcanic rocks is important because the age rocks is coincident with the age of gold and silver mineralization in the region; and there is a relationship with volcanism and mineralization.
There is evidence on the property of igneous rock intrusions. Fault structures on the east edge of the host block provide conduits for multiple episodes of dikes as well as plumbing for the gold bearing mineral system.
Near term plans are to acquire aeromagnetic data to assist in outlining the intrusive rocks we believe are related to the mineralization at the property; then focus on geochemical sampling and geological mapping to delineate drill targets.
-Castle Mountain project: Castle Mountain is located in north central NV, about 40 miles northwest of Elko on the southern flank of the Tuscarora Mountains. This region is renowned for its prolific gold production. The claims sit in the Tuscarora Mining District about 3.5 miles southwest of the productive low sulfidation epithermal vein systems at Tuscarora. For the most part the prospective land is administered to by BLM. In January 2018, GSI staked 10 lode claims that cover the obvious targets.
Castle Mountain - A Low Sulfidation Hot Spring Type Prospect
Castle Mountain is a high-level Hot Spring type epithermal system that has seen one shallow drilling program about 35 years ago.
Property Highlights:
-Analogs in the region include recent discovery at Gravel Creek and Ivanhoe.
-Shell Mining drilled 5 shallow test holes back in 1984.DH CM-1 encountered a mineralized zone that carried anomalous gold values ranging from 240 ppb to 400 ppb over 35 feet.
-The prospect hosts hot springs sinter at the top of the hill.
-Mineralization is hosted by an andesite breccia that is underlain by a Paleozoic debris lense that provides prospective stratigraphy.
Located in Elephant Country: Castle Mountain is located in north central NV, about 40 miles northwest of Elko on the southern flank of the Tuscarora Mountains. This region is renowned for its prolific gold production. The claims sit in the Tuscarora Mining District about 3.5 miles southwest of the productive low sulfidation epithermal vein systems at Tuscarora. For the most part the prospective land is administered to by BLM. In January 2018, GSI staked 10 lode claims that cover the obvious targets.
Project Analogs: The Gravel Creek project in northern Elko County is the best analog for Castle Mountain. Gravel Creek is a new large gold/silver discovery by Western Exploration. They have intercepts of up to 16 meters of 49 g/t Au and another or 318 meters of 1.27 g/t Au. Mineralization there is hosted in silicified breccia formed at the basement/Miocene interface below a surface sinter and weak geochemical anomalies (Christensen, 2015). The host rocks at Castle Mountain are the similar age and similar lithology’s to Gravel Creek.
Geologic Setting: The Castle Mountain prospect sits southeast side of the Tuscarora volcanic field, the largest Eocene volcanic field in Nevada. This is important because Eocene magmatism occurred contemporaneously with the main gold mineralizing event that formed the bulk of the giant gold deposits in Nevada. It is widely accepted that Eocene magmatism played a critical role in generating hydrothermal systems that deposited over 200 million ounces that have been discovered in northern Nevada.
A paleo hot spring vent crops out at the top of Castle Mountain evidenced by a small area of sinter and silicified volcaniclastic rocks that carry the best gold geochemistry. The surrounding area is primarily argillicly altered with minor stock works of quartz. Surface mineralization is hosted by dense welded Andesite breccia mapped as debris flow breccia having a maximum thickness of 170 meters. A lense of Paleozoic debris is interstratified with the Andesite breccia. Below that lies the basal section of the Tertiary composed of Andesite, ash flow tuff and a basal conglomerate which sits unconformably on the Paleozoic sediments. Estimated depth to the unconformity based on NBMG section drawn 2 miles to the southwest would be between 250m and 350m. That unconformity represents an excellent stratigraphic target below the hot springs vent.
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