Mr. George Salamis reports
INTEGRA RESOURCES ANNOUNCES DRILL HOLE IDM18-59 INTERCEPTING 2.53 G/T AUEQ (1.71 G/T AU AND 69.03 G/T AG) OVER 109.73 M IN 260 M STEP-OUT DRILL HOLE AT DELAMAR
Integra Resources Corp. has released results from recent drilling at the company's 100-per-cent-owned DeLamar gold-silver project, situated in southwestern Idaho, that continue to highlight mineralization well outside of the current inferred resource boundary limits. Stepout drill hole IDM18-59 in the area of Sullivan Gulch adds a further 260 metres of strike potential in an area with no previous drilling, opening the zone for further potential resource expansion.
"Drilling at DeLamar continues to show the expansion potential on what is already a large mineral endowment. This is a big system and, due to little exploration work ever taking place as a result of the DeLamar mine being in operation during a period of depressed commodity prices, Integra has been consistently discovering new, large areas of mineralization within a stone's throw of existing infrastructure," commented Integra chief executive officer and president George Salamis.
"The case for future potential resource growth at the DeLamar project is now stronger than ever given this 260-metre stepout drill hole that hits above average grades, in fact greater than three times the average grade of the maiden inferred resource estimate, over a width of 109 metres. This latest drill hole now extends the Sullivan Gulch total strike length by approximately 400 metres outside of the 2018 inferred resource estimate boundary. We are particularly excited by drill hole IDM18-59 as it completely opens up the southeastern strike extension at Sullivan Gulch given that it was collared approximately 260 metres from the closest drill hole. Equally as significant, the intercept bottomed in gold-silver mineralization with a 20-metre run of over four grams per tonne gold equivalent, indicating that the zone is potentially thicker than demonstrated by this plus-100-metre-wide intercept."
DeLamar deposit: Sullivan Gulch zone drill results summary
This latest round of drill assays from Sullivan Gulch represents results from two drill holes located to the south of drill results previously disclosed in September, 2018.
The associated table highlights selected intercepts from drill holes IDM18-59 and IDM18-70, and for comparative purposes, a number of drill holes to the north.
Drill hole From To Interval (1) Au Ag AuEq
No. (m) (m) (m) (g/t) (g/t) (g/t)
IDM18-59 338.33 448.06 109.73 1.71 69.03 2.53
Including 426.72 448.06 21.34 1.93 185.24 4.11
210.31 219.46 9.15 0.51 136.92 2.12
IDM18-70 321.56 323.09 1.53 4.30 23.07 4.57
368.81 385.57 16.76 0.71 4.96 0.77
434.34 451.10 16.76 0.75 53.55 1.38
disclosed) 184.40 335.28 150.88 0.63 48.59 1.20
disclosed) 68.58 266.70 198.12 0.64 93.63 1.74
disclosed) 175.26 396.24 220.98 1.25 77.19 2.16
disclosed) 200.86 396.85 195.99 0.97 30.46 1.33
Downhole thickness; true width varies depending on drill hole dip; most
drill holes are aimed at intersecting the vein structures close to
perpendicular therefore true widths are close to downhole widths
(approximately 85-per-cent conversion ratio)
The geology intersected in this hole is consistent with the geology intersected in other parts of Sullivan Gulch to the north. The mineralization is largely hosted by porphyritic rhyolite and latite units, capped by a banded rhyolite formation, all of which are Miocene aged. The gold-silver mineralization itself consists of a zone of moderately intense low-sulphidation epithermal veining, clay alteration and related disseminated sulphides (mostly pyrite).
Update on current drill program and continuing resource estimation work
Given these recent results, the company has elected to defer drilling planned for other areas of DeLamar in order to immediately focus on Sullivan Gulch infill and stepout drilling, with the goal of driving further 2019 resource expansion. Management finds it prudent to delay the commencement of the resource estimate update from the first quarter of 2019 to the second quarter of 2019 to allow further drilling in Sullivan Gulch. The amended drill plan is designed to test more of this highly prospective zone, with the goal of potentially including these future drill results in the next resource estimate update and subsequent preliminary economic assessment (PEA).
The current drill program at Sullivan Gulch is designed to incrementally enlarge the gold-silver resource on strike and to confirm the continuity of the zone between IDM18-59 and neighbouring drill holes to the northwest. The short adjournment of the resource study will allow the result from IDM18-059, and any other infill and stepout drilling to be conducted in January and February, to be included in the 2019 resource estimate update on the DeLamar project. This resource update will form the basis of the 2019 PEA, now scheduled for the second half of 2019.
Henrietta and Town Road drill results summary
In addition to the successful drilling at Sullivan Gulch, the company has been actively exploring other zones within the DeLamar deposit, including the Henrietta and Town Road targets. Today's results highlight strong opportunity for future resource expansion across multiple zones of the DeLamar deposit.
Today's drill results from drill hole IDM18-067 are situated 320 m to the northeast of the Henrietta high-grade discovery hole IDM18-066. Drill hole IDM18-067 completes a fence of three holes on a section at Henrietta that is now 340 m wide, and open to further drill testing to the northwest and southeast.
The associated table highlights selected intercepts from this tranche of drill results.
Drill hole From To Interval (1) Au Ag AuEq
No. (m) (m) (m) (g/t) (g/t) (g/t)
Town Road 0.00 21.34 21.34 0.91 2.31 0.94
Henrietta 83.82 109.73 25.91 0.51 27.15 0.83
Downhole thickness; true width varies depending on drill hole dip;
most drill holes are aimed at intersecting the vein structures close
to perpendicular therefore true widths are close to downhole widths
(approximately 85-per-cent conversion ratio).
As drilling to date at Henrietta has highlighted a wide zone of low-grade mineralization that is open to the west and east, further drilling will be conducted in this area in 2019.
Sampling and quality assurance/quality control procedure
Thorough QA/QC protocols are followed on the project, including insertion of duplicate, blank and standard samples in the assay stream for all drill holes. The samples are submitted directly to American Assay Labs in Reno, Nev., for preparation and analysis. Analysis of gold is performed using fire assay method with atomic absorption (AA) finish on a one-assay-ton aliquot. Gold results over five g/t are rerun using a gravimetric finish. Silver analysis is performed using ICP (inductively coupled plasma) for results up to 100 g/t on a five-acid digestion, with a fire assay, gravimetric finish for results over 100 g/t silver.
The scientific and technical information contained in this news release has been reviewed and approved by Dr. E. Max Baker, PhD (FAusIMM), Integra's vice-president, exploration, of Reno, Nev., and is a qualified person as defined in National Instrument 43-101 -- Standards of Disclosure for Mineral Projects.
About Integra Resources Corp.
Integra Resources is a development-stage company engaged in the acquisition, exploration and development of mineral properties in the Americas. The primary focus of the company is advancement of its DeLamar project, consisting of the neighbouring DeLamar and Florida Mountain gold and silver deposits in the heart of the historic Owyhee county mining district in southwestern Idaho. The first exploration program in over 25 years is currently under way on the DeLamar project with more than 20,000 metres planned for 2018. The management team comprises the former executive team from Integra Gold Corp.
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