Source: U.S. Gold Corporation 6/6/19
U.S. Gold Corp. intends to drill up to 28,000 feet (approx. 9,000m) in up to 14 holes
This program is designed to assess a number of previously inaccessible targets because of previous permitting limitations
Identification, qualification, and
prioritization of these targets were determined by means of detailed
surface geology, geochemistry, and geophysics and expert knowledge of
Carlin-type deposits
U.S. Gold Corp. (NASDAQ: USAU), a gold exploration and development
company, is pleased to announce the commencement of the 2019 drilling
program at its 20 square mile, Keystone project, in Nevada's Cortez
Trend. The program will test several drill targets in areas previously
inaccessible with a drill because of permitting limitations and follow
up on encouraging results from late 2018 drilling. Identification and
qualification of these targets has been in progress since the onset of
the exploration program almost 3 years ago. This targeting effort has
included iterative detailed gravity surveys, detailed geological mapping
and associated prospecting, rock sampling and detailed gridded soil
surveys, in addition to prior scout hole drilling. 2016-2018 scout-type
drill holes, comprised of 34 individual holes drilled from 15 total
drill sites, have importantly added to the knowledge of, and geological
understandings of the permissive lithologies and favorable stratigraphy
of the project. Scout drilling encountered thick sections of permissive
host rocks, including Comus, Horse Canyon, Wenban, and Roberts Mountains
Formations (similar host rock packages to the sizeable deposits at the
north of the Cortez Trend), hosting anomalous to multiple gram gold
intervals associated with very anomalous and thick intervals of
pathfinder metals. The 2019 drilling program will now provide a first
test to some of the most compelling targets on the Keystone project.
Ken Coleman, U.S. Gold Corp.'s Keystone Project Geologist, states: "We
are very pleased to move forward with the assessment of these Keystone
drill targets. These targets have been qualified and prioritized by our
experienced exploration team and are the culmination of our last three
years of exploration efforts at Keystone. Previous scout style drilling
over a broad area at Keystone was essential for developing the targets
which will be tested in our drilling this year."
Ten deep, vertical drill holes, with contingency for an additional
four holes, are proposed within ten high potential target areas of
Keystone for the 2019 exploration program. Details for each target area
are provided below, in order of priority. For those targets with two
holes proposed, one hole will be drilled and then drilling will progress
to the next target in priority, to allow time for results to be
returned and analyzed, and to allow potential changes to exact drill
hole locations to be made. A 2019 Keystone Project Map link is provided
below showing previous U.S. Gold Corp. drill hole locations and the
proposed 2019 Keystone drill targets, referenced as PH-xx below in each
target area description. Target concept cross sections are also provided
for the top ten proposed holes, referenced by target name.
The 2019 Keystone drill target sites, designated by
PH #, have been identified, vetted, prioritized, and presented in numerical order; see attached figure:
http://usgoldcorp.gold/2019-targets-map.jpg
The following provides a brief summary description of these prioritized 2019 Keystone drill targets:
Greenstone Gulch
Two holes are planned in this area (PH-1 and PH-6). There has been no
previous drilling in the Greenstone Gulch target area. Upper Plate
Cambrian-Ordovician Comus Formation calcareous siltstones, limestones
and greenstones are exposed at surface and are variably altered along NW
and NE trending, partly dacitic dike filled structural zones. Lower
Plate Devonian rocks are expected at shallow depths below surface.
Surface soil and rock geochemistry shows a strong pathfinder element
anomaly coincident with the NW structural zones. Targeting collapse
breccias and bedding replacements developed in lower Comus, at the
Devonian Horse Canyon-Wenban contact, and in Wenban Unit 5.
http://usgoldcorp.gold/2019-greenstone.jpg
Sophia
Two holes will be drilled (PH-2 and PH-7) to follow up on previous
drilling in the target area, especially hole Key18-09rc. Hole Key18-09rc
encountered over 350 feet of nearly continuous oxidized breccia at the
bottom, where it was lost at 1,605 feet in a 20-foot-wide open void. The
oxidized breccia is located in Horse Canyon below a thick section of
Comus skarn and hornfels. Comus skarn above the oxidized breccia yielded
a 20-foot intercept of 1.135 g/t gold in garnet-magnetite skarn. The
breccia at depth displays strongly anomalous gold, arsenic, thallium,
mercury and many other elements, including thallium over 380 ppm. Sophia
is located at the intersection of two broad NNW and NNE trending
structural zones, the intersection being coincident with the strongest
pathfinder soil anomalies at Keystone, a large gravity low and strong
surface alteration characterized by bleaching, Fe staining,
silicification and barite-alunite. Targeting a large collapse breccia
developed in Horse Canyon and Wenban, similar in style and geometry to
the Cortez Hills breccia deposit.
http://usgoldcorp.gold/2019-sophia.jpg
Tip Top
Two holes are planned (PH-3 and PH-8) to follow up on previous
drilling in the target area, which encountered encouraging gold and
Carlin-style alteration and pathfinder geochemistry. The target is
located at the intersection of a major NNW trending structural zone with
several NNE and NE trending fault zones which down-drop Upper Plate
rocks against Lower Plate rocks. The NNW structural zone is identified
as a district scale mineralized conduit at Keystone. Surface soil and
rock geochemistry shows a strong pathfinder and gold anomaly coincident
with a large gravity low in the immediate target area. Previous drilling
has shown gold, Carlin-style alteration and oxidation are increased
along the NNW structural zone. In addition, a long strike length, NW
striking-shallow dipping structure was identified in previous drilling,
with associated gold and dolomitization. Targeting a shallow,
Goldrush-style breccia and replacement deposit developed at the
intersection of the broad NNW trending structural zone with the NW
striking, shallow dipping structure, and collapse breccias developed in
Wenban Unit 5 in the footwall of the major NNW structural zone.
http://usgoldcorp.gold/2019-tip-top.jpg
McClusky West
One hole is planned (PH-4), southwest of the Sophia target area. Very
shallow historic drilling to the west of the target area tested strong
Carlin-style alteration and surface geochemical anomalies, characterized
mostly by silicification and bleaching with anomalous
arsenic-antimony-thallium-mercury and gold. A large gravity low is
present here, coincident with an arcuate feature-landslide scarp located
at the intersection of a broad NNE structural zone and a major WNW
fault. In addition, at this location Lower Plate rocks are further away
from the aureoles of the Walti and Mud Springs intrusives than the
Sophia target area. Targeting a large collapse breccia similar in style
to Cortez Hills, developed in Devonian Horse Canyon and Wenban
carbonates.
http://usgoldcorp.gold/2019-mcclusky.jpg
Mud Springs
One hole is planned (PH-5), in this target area with no previous
drilling. A pronounced gravity low is present with the mapped Mud
Springs intrusion, adjacent to where a major NNW structural zone that
serves as a district scale conduit at Keystone is projected to cut the
intrusion. At the location of the gravity low, a geochemically anomalous
NNE structural zone projected southwest from the Breccia Ridge target
area forms an intersection zone with the major NNW structural zone. A
recessive zone surrounded by variably brecciated exposures of marble
(Wenban likely) with anomalous arsenic and other elements is present as
well, with a few rock chips of quartz veins and silicified diorite
yielding anomalous gold to 41 ppb. Targeting a confined collapse breccia
developed in marble adjacent to the Mud Springs intrusion, of a similar
style to Deep Star on the Carlin Trend.
http://usgoldcorp.gold/2019-mud-springs.jpg
Nina Skarn
One hole is planned (PH-9), in this new target area with no previous
drilling. Devonian Horse Canyon and Wenban pyroxene skarn and hornfels
are present at surface, coincident with a +2,000-foot-long gold soil
anomaly with up to 200 ppb samples and associated coincident anomalous
Te-Bi-Zn-Ag. This anomalous skarn zone is parallel to and appears
confined to the east of a major NNW structural zone which confines
strong Carlin-style alteration to the south in the Sophia Target. At the
proposed hole location, several WNW trending structures are mapped
cutting the skarn, with anomalous arsenic and thallium coincident with
their surface traces. The potential for both gold bearing skarn and
skarn hosted Carlin-type mineralization (ie. Fourmile, Deep Star) is
good at this location; both ideas are the targets being pursued for this
proposed hole.
http://usgoldcorp.gold/2019-nina-skarn.jpg
Breccia Ridge
One hole is planned (PH-10), to the north of U.S. Gold Corp's
previous drilling, where one of the largest gravity lows at Keystone is
strongest and is coincident with the intersection of several NNE and WNW
striking faults. At the intersection, surface soil geochemistry is
strongly anomalous in arsenic, with anomalous thallium surrounding the
arsenic high. Ordovician Valmy chert and quartzite is exposed at
surface, showing strong Fe and As oxide staining, barite-alunite,
silicification, and bleaching. A circular collapse-looking feature is
localized at the direct intersection of the NNE and WNW structural
zones, suggesting a moderately plunging breccia body may be present at
depth. Upper Plate Cambrian-Ordovician Comus and Lower Plate Devonian
carbonates are projected to be at reasonable drilling depths at the
target location and are the targeted units for potentially mineralized
collapse breccia development.
http://usgoldcorp.gold/2019-breccia-ridge.jpg
Ken Coleman continues: "Our exploration team is very much looking
forward to the commencement of the 2019 Keystone drilling season. Last
winter saw heavy snows at Keystone, forcing us to de-mobilize at the end
of 2018. We are waiting for the property to dry out to allow access.
All of us are encouraged with our 2018 drilling results. Extensive
ongoing analysis has brought us to this point, and we are excited to
continue to test Keystone's significant potential. Much of this
potential was unidentified by previous operators, as they did not have
complete control over large parts of the district, nor had the benefit
of the major geologic advancements made in the Cortez district over the
last decade. We do, and after three years of diligent work at Keystone
we are zeroing in on specific targets for discovery success."
About U.S. Gold Corp.
U.S. Gold Corp. is a publicly traded U.S.-focused gold exploration
and development company. U.S. Gold Corp. has a portfolio of development
and exploration properties. Copper King is located in Southeast Wyoming
and has a Preliminary Economic Assessment (PEA) technical report, which
was completed by Mine Development Associates. Keystone is an exploration
property on the Cortez Trend in Nevada. For more information about U.S.
Gold Corp., please visit
www.usgoldcorp.gold.