Oroco Drilling Extends North Zone Strike Length
July 15, 2022 NEWS RELEASE
OROCO DRILLING EXTENDS NORTH ZONE STRIKE LENGTH
VANCOUVER, British Columbia – (July 15, 2022) Oroco Resource Corp. (TSX-V: OCO, OTC: ORRCF)
(“Oroco” or “the Company”) is pleased to announce the receipt of additional assay results from its drilling
campaign at the Santo Tomas property (the “Property”) in northwestern Mexico, having received and quality
controlled the drill results from Holes N013 and N014 in the North Zone deposit. A ssay results through the
first fourteen drill holes (10,293 m of drilling) are now received (see Table 1 below and Figure 1, attached,
or at the Company’s website at www.orocoresourcecorp.com). A total of 20 holes have been completed in the
North Zone to date.
The 2021-2022 drill program has now spanned 1100 m of strike length along the core of the North Zone
mineral deposit. The drill program is proceeding well with the targeted mineralization intersected at the
anticipated depths and intervals in most drill holes.
The Company is pleased that its drilling results continue to confirm the following:
• Copper grades in holes N009 through N014 are comparable to the historical drilling reported on each
related cross-section (see Plates 51-66, on the Company website). Results to date continue to confirm
the geological conclusions and the 2009 Gradeshell Model contained in the 2019 Technical Report.
• Holes N013 and N014 indicate that the Gradeshell remains confirmed in its structural strike and dip.
However, importantly, the hanging wall mineralization is wider and nearer surface than first modelled
from historical drilling. Targeting areas westward at shallow depths for the broader response in the
3D IP model under the Santo Tomas ridge is therefore confirmed.
“These drilling results continue to support and guide our exploration campaign and will help the focus
on defining the Santo Tomas North Zone” said Richard Lock, Oroco’s CEO.
NORTH ZONE DRILLING:
Drill Holes N001 to N014 test the North Zone deposit perpendicular to its structural attitude. Core intervals
for those holes are within approximately 10% of true thicknesses, except for N004. Assay results from the first
fourteen drill holes (10,293 m of drilling) are now received and quality controlled.
Over the span of our drilling to date, drill holes N011 southward for 700 m to N010 establish the tenor the
higher-grade portion of the North Zone (See Figure 1). Two diamond drill rigs are presently working on
the North Zone, testing extensions northward, southward, and down-dip.
• Northward: Drill hole N013 tests to the northwest and down-dip of drill hole N011.
• Southward: Drilling has stepped out 350 m south of the previously reported drill hole N010 in an
area concealed beneath a blanket of limestone and post-mineralization volcanic beds. Two drill holes
to the south are completed, and a third is in progress.
• Down-dip: Drill hole N014 tests down dip of N012 and N007.
DRILL HOLE N013
Drill Hole N013 intersected a broad 450 m interval of altered, mineralized andesite and monzonite intrusion
at the northern extremity of our current North Zone drill program . That interval includes 128.0 m of 0.32%
Copper Equivalent (CuEq), 30 m of 0.38% Cu Eq and 95.0 m of 0.45% CuEq (see Table 1). Our drill target is
the 2009 Gradeshell model of Cu > 0.3% (the “Gradeshell”) of the historical drilling that is described in the
OROCO RESOURCE CORP.
1201-1166 Alberni Street, Vancouver, BV V6E 3Z3
T: 604.688.6200 F: 604.688.6260
www.orocoresourcecorp.com
Company’s 2019 Technical Report (see www.orocoresourcecorp.com/projects/technical-reports/ or SEDAR).
The higher-grade intervals of N013 confirm the Gradeshell.
Notably, outside of the Gradeshell, the hanging wall and footwall in N013 each contain greater than 120 m of
altered lithologies with about 0.30 % CuEq, representing a local doubling of the target thickness of the North
Zone deposit. The deposit is much closer to surface than our initial targeting implied.
DRILL HOLE N014
Drill Hole N014 intersected a broad 330 m interval of altered, mineralized andesite and monzonite intrusion
at the down dip from the good intervals drilled in N012 and N007. Within that interval, 126.0 m of 0.23 %
CuEq was intersected at the bottom of the Gradeshell. The hanging wall of the North Zone in this section has
several short 12 to 27 m intervals of promising grade, N014 indicates the North Zone is flattening and thinning
down dip on Section 57 which is common in structurally controlled mineral deposits.
West of N014 is a lobe of increasingly strong Chargeability response in the Dias Geo 3D Induced Polarization
survey. Notwithstanding the results of N014, this shallow, western geophysical target lies only 100 to 200 m
below the flank of the Santo Tomas ridge and is a high priority drilling target.
Table 1: Significant Assay Intervals in the Santo Tomas 2021-2022 Program, Holes N001 to N0014:
OROCO RESOURCE CORP.
1201-1166 Alberni Street, Vancouver, BV V6E 3Z3
T: 604.688.6200 F: 604.688.6260
www.orocoresourcecorp.com
Cu Equivalent (CuEq) % = Cu % + (Mo %*3.75) + (Au ppm*0.752). The commodity prices (3 -year
Average) used are in $US: Cu $3.20 /lb, Mo $12.00 /lb, and Au $1,650.00 /troy oz. * Ag values are not
used in the CuEq calculations.
Drill Hole
No. Dip From
(m)
To
(m)
Length
(m) Cu % Mo % Au g/t Ag g/t* CuEQ %
N001 -55 272.6 299.6 27.0 0.18 0.012 0.018 0.82 0.24
" -55 310.0 565.0 255.0 0.39 0.010 0.045 2.20 0.46
" -55 571.0 620.0 49.0 0.17 0.003 0.008 1.31 0.18
N002 -55 349.9 630.0 280.1 0.38 0.012 0.025 2.85 0.44
N003 -55 295.0 306.8 11.8 0.31 0.009 0.014 2.85 0.36
" -55 315.3 333.0 17.7 0.33 0.008 0.017 1.49 0.37
" -55 339.0 364.5 25.5 0.29 0.015 0.020 2.81 0.36
" -55 370.0 384.3 14.3 0.50 0.008 0.026 3.33 0.56
" -55 390.0 597.7 207.7 0.39 0.014 0.019 2.82 0.45
" -55 601.8 678.0 76.2 0.18 0.002 0.007 2.53 0.20
N004 -55 434.3 498.0 63.7 0.38 0.012 0.017 2.12 0.44
N006 -55 31.0 219.5 188.5 0.39 0.004 0.051 2.29 0.44
" -55 223.4 277.0 53.7 0.17 0.005 0.011 1.55 0.20
N007 -55 213.9 405.2 191.3 0.32 0.005 0.029 2.93 0.37
" -55 408.1 518.0 109.9 0.32 0.012 0.018 3.06 0.38
N008 -55 159.8 488.0 328.3 0.38 0.010 0.038 2.60 0.45
N009 -55 438.0 470.0 32.0 0.76 0.011 0.021 4.90 0.82
" -55 516.2 538.0 21.9 0.31 0.027 0.013 2.00 0.42
" -55 542.0 665.6 123.6 0.29 0.014 0.011 1.76 0.35
" -55 671.4 686.6 15.2 0.45 0.016 0.022 2.61 0.53
" -55 692.1 752.0 59.9 0.27 0.010 0.020 2.70 0.32
N010 -55 137.0 448.0 311.0 0.36 0.011 0.029 2.33 0.42
" -55 454.0 476.0 22.0 0.21 0.002 0.005 1.59 0.22
N011 -55 48.2 279.0 230.8 0.39 0.007 0.039 2.84 0.45
N012 -55 309.1 606.0 296.9 0.35 0.015 0.025 2.58 0.42
N013 -62 247.0 375.0 128.0 0.27 0.009 0.023 1.82 0.32
" -62 397.0 427.3 30.3 0.38 0.008 0.043 3.49 0.44
" -62 439.0 534.0 95.0 0.36 0.020 0.018 2.50 0.45
" -62 574.0 700.0 126.0 0.24 0.009 0.014 2.40 0.29
N014 -74 266.0 293.0 27.0 0.30 0.010 0.019 2.62 0.35
" -74 312.3 330.0 17.7 0.34 0.009 0.024 2.57 0.39
" -74 355.0 367.0 12.0 0.40 0.016 0.020 1.44 0.47
" -74 373.0 499.0 126.0 0.19 0.008 0.016 1.73 0.23
OROCO RESOURCE CORP.
1201-1166 Alberni Street, Vancouver, BV V6E 3Z3
T: 604.688.6200 F: 604.688.6260
www.orocoresourcecorp.com
TECHNICAL INFORMATION AND QUALITY CONTROL / QUALITY ASSURANCE
The historical drilling data employed in this current exploration program was the subject of Data Verification
procedures cited in the current Technical Report. Additional drill collar verifications were performed in the
current program and collar locations fit closely to the 2021/2022 survey control. Appropriate QA/QC
protocols governed geological logging, core sampling, sample preparation, analyses, and security during the
current program, including quality controls with duplicates, st andards, and blanks. Samples were submitted
to the Mexican division of ALS Limited in Hermosillo, Mexico, for sample preparation to pulps. Sample
pulps are then sent to ALS Canada Ltd. in Vancouver, Canada, for analysis. Total copper and molybdenum
contents are determined by four-acid digestion with AAS finish. Gold was determined by fire assay of a 50 -
gram charge, or alternately, for a 30-gram charge (1 Assay ton).
QUALIFIED PERSON
Mr. Paul McGuigan, P. Geo., of Cambria Geosciences Inc., a “Qualified P erson” (as defined in NI 43- 101 -
Standards for Disclosure for Mineral Projects) and a senior consulting geoscientist to the Company, has
reviewed and approved the technical disclosures in this news release.
ABOUT OROCO:
The Company holds a net 73.2% intere st in the collective 1,172.9 ha Core Concessions of the Santo Tomas
Project in NW Mexico and may increase that majority interest up to an 85.5% interest with a project investment
of up to CAD$30 million. The Company also holds a 77.5% interest in 8,154.3 ha of mineral concessions
surrounding and adjacent to the Core Concessions (for a total project area of 23,048 acres). The Project is
situated within the Santo Tomas District, which extends from Santo Tomas up to the Jinchuan Group’s
Bahuerachi project, approximately 14 km to the northeast. Santo Tomas hosts a significant copper porphyry
deposit defined by prior exploration spanning the period from 1968 to 1994. During that time, the property
was tested by over 100 diamond and reverse circulation drill holes, totalling approximately 30,000 meters.
Based on data generated by these drill programs, a historical Prefeasibility Study was completed by Bateman
Engineering Inc. in 1994.
The Santo Tomas Project is located within 160km of the Pacific deep -water port at Topolobampo and is
serviced via highway and proximal rail (and parallel corridors of trunk grid power lines and natural gas)
through the city of Los Mochis to the northern city of Choix. The property is reached by a 32 km access road
originally built to service Goldcorp’s El Sauzal Mine in Chihuahua State.
For further information, please contact:
Richard Lock, CEO
Oroco Resource Corp.
Tel: 604-688-6200
Email: [email protected]
www.orocoresourcecorp.com
Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of
the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
Cautionary Note Regarding Forward Looking Information
This news release includes certain “forward -looking information” and “forward- looking statements” (collectively
“forward-looking statements”) within the meaning of applicable Canadian securities legislation. All statements, other
than statements of historical fact included herein, including without limitation, statements relating to future events or
achievements of the Company, are forward-looking statements. There can be no assurance that such forward-looking
statements will prove to be accurate, and actual results and future events could differ materially from those anticipated
or implied in such statements. Many factors, both known and unknown, could cause actual results, performance or
achievements to be materially different from the results, performan ce or achievements that are or may be expressed
OROCO RESOURCE CORP.
1201-1166 Alberni Street, Vancouver, BV V6E 3Z3
T: 604.688.6200 F: 604.688.6260
www.orocoresourcecorp.com
or implied by such forward- looking statements. Readers should not place undue reliance on the forward- looking
statements and information contained in this news release concerning these matters. Oroco does n ot assume any
obligation to update the forward-looking statements should they change, except as required by law.