- Published: 13 December 2018
- Written by Editor
Ridgestone Mining Inc. Completes Drill Program On Its Rebeico Gold-Copper Project, Sonora, Mexico
Drill holes 18REB3 and 18REB4 were both collared about 415 meters south of holes 18REB1 & 2, and were drilled at angles of -50 and -60 degrees respectively. Hole 18REB3 encountered an intensely fractured fault zone and was abandoned before reaching the targeted depth.
Highlights of the assay results are summarized below:
| Hole ID |
From (m) |
To (m) |
Interval (m) |
Au g/t |
Cu % |
| 18REB1 | 116.03 | 116.65 | 0.62 | 1.02 | 0.96 |
| 120.90 | 121.70 | 0.80 | 2.95 | 1.41 | |
| 18REB2 | 127.0 | 128.0 | 1.00 | 7.87 | 1.87 |
| 128.0 | 129.0 | 1.00 | 9.51 | 3.69 | |
| 18REB4 | 73.8 | 75.2 | 1.40 | 3.25 | trace |
| 76.5 | 78.0 | 1.50 | 1.39 | trace |
Hole 18REB4 also contained elevated bismuth (>90 ppm) associated with the gold mineralization. This may be indicative of a high-temperature, intrusion-related style of mineralization potentially proximal to a copper-gold porphyry or iron-oxide copper-gold ("IOCG") system.
Although exploration at Rebeico is at a very early stage, the gold and copper values encountered in these first drill holes indicate that mineralization extends beneath the shallow historical workings and down-dip along the Alaska vein. The gold values received from hole 18REB4, drilled more than 400 meters south of holes 18REB1 & 2, also indicate that subsurface mineralization extends a significant distance along strike. Results from the remaining 8 drill holes will be released when assays have been received and evaluated.
The Rebeico drilling program was managed by Ridgestone's partner, YQ Gold S.A. de C.V. Drill core was transported by YQ Gold personnel from the drill sites to a secure logging and sample storage area on a daily basis. After logging by YQ Gold geologists, intervals selected for sampling were sawed in half lengthwise. The ½-core samples were placed in pre-numbered sample bags and weighed. Blank samples were inserted into the sample stream for Quality Assurance / Quality Control ("QA/QC") purposes. YQ Gold personnel transported the samples to the ALS Minerals ("ALS") preparation laboratory in Hermosillo, Sonora. After preparation, sample pulps were air-freighted by ALS to their assay laboratory in North Vancouver, British Columbia. Gold was determined by fire-assay fusion with an atomic absorption finish. Silver and 31 major, minor and trace elements were determined by ICP-AES following 4-acid digestion.
The technical information disclosed in this news release has been reviewed and approved by Steven I. Weiss, C.P.G., Ph.D., and consulting geologist for Ridgestone. Mr. Weiss is a Qualified Person under NI 43-101 and the author of the technical report filed on SEDAR titled "NI 43-101 Technical Report on the Rebeico Gold-Copper Project; Central Sonora, Mexico".
About Ridgestone Mining Inc.
Ridgestone is a TSX Venture Exchange-listed junior mineral exploration company with offices in Taipei and Vancouver, B.C. The Company's focus is on precious metals and copper in Sonora, Mexico, and specifically the Rebeico Gold-Copper project.
For further information, please contact:
Ron Birch, Director
Ridgestone Mining Inc.
Telephone: 1-800-910-7711
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