February 20, 2008 15:27 ET

First Narrows Provides Update on Exploration Activities in Sonora, Mexico

Priority Drill Targets Defined in Three Areas

VANCOUVER, BC--(Marketwire - February 20, 2008) - First Narrows Resources Corp. (TSX-V: UNO) (PINKSHEETS: FNRWF) ("First Narrows" or the "Company") is pleased to provide an update on its exploration activities in the north-western state of Sonora, Mexico.

Over the past 15 months, since announcing that its wholly owned subsidiary, Minera FNR de Mexico, S.A. de C.V., ("FNR"), acquired the rights to the past-producing Susana D'Oro copper-gold property, the Company has conducted a comprehensive prospecting and claim staking program that radiates from the original 175-hectare (433 acres) Susana property ("Susana"). As a result, the Company amassed a claim position in an area east of the city of Hermosillo that totals 106,314 hectares or 262,708 acres (the "Property") covering several new mineral discoveries and on-trend targets.

Geologically, the Property lies within the convergence of the western part of the northerly trending copper-molybdenum porphyry and gold mineral belts of Mexico. The Company's exploration results to date suggest that three distinct modes of mineralization occur on the Property. In terms of the drill program that the Company is planning for the Property, it is most significant that none of the primary targets have previously been drilled.

The Company's project database is constantly updated and new ore deposit models for the area have evolved. The presence of iron-oxide (Fe-Oxide) minerals (hematite and magnetite) in association with base metal and precious metal mineralization has been noted within the region as a whole. Rusty color anomalies in the soil profile, developed from the weathering of the Fe-Oxides, have also been observed over known mineral occurrences. By the spring of 2007, it was apparent that the original Susana D'Oro veins were the initial local clues to more expansive mineralizing events taking place on a regional scale.

An internal mineral potential study identified the region as having been overlooked by the mining industry. Further, the region, with its proximity to Hermosillo, possesses favorable infrastructure, including power, access, labor, education, and medical facilities. In the spring of 2007, the Company carried out an ASTER satellite alteration study of a 3,600 km sq (2,237 mi sq) area surrounding Susana, which defined several significant ASTER mineral alteration anomalies. The Company also acquired public domain stream sediment geochemical data, which reinforced the potential of the ASTER anomalies in several areas of the region. The Company then commenced a follow-up program of prospecting and claim staking. To date, the Company has made a series of new exploration discoveries; several of them are directly coincident with the ASTER anomalies (some with large resource potential), and others that support the Company's near term objective of establishing a central mining and milling operation at Susana. Of particular note is the following:

1. In the Susana area, the mineralization is consistently copper-gold-silver in vein systems (the main exploration targets) and gold in veins and silicified limestone. The veins are essentially drill-ready;

2. In the La Palma area, silver-gold vein and breccia systems and unexplained ASTER and stream sediment geochemical anomalies are currently being followed-up with geological and geochemical surveys in preparation for drilling; and

3. In the Cantadero area, the mineralization is characterized by copper-molybdenum in porphyries and quartz stockwork zones, gold in veins, breccias and felsic volcanic rocks, and base-precious metals in skarn zones. The quartz stockwork copper-molybdenum-silver-barite zone was discovered by prospecting a rusty colored soil anomaly. The Cantadero porphyries are characteristic of a high level porphyry setting. Prospecting of other rusty color anomalies continues; mapping and geochemical surveys of the known mineralized areas are in progress in preparation for drilling.

Photos of some of the exploration activities are available at:


Susana D'Oro Veins

The Company acquired Susana D'Oro for the primary reasons that records show that historical mining of the high grade copper-gold-silver veins stopped at the water table, that the vein system is open and undrilled at depth, and that the Company could possibly achieve near term cash flow from a small scale mining operation at Susana. Although prospecting of the immediate Susana property has located four additional veins, the Company's focus remains on re-opening the former producer (See news release dated November 16, 2006).

Lupita Au

The Lupita showing, located 2 km (1.24 mi.) east of Susana, consists of leaf gold nuggets in eluvial material with an associated Fe-Oxide color anomaly. The leaf gold is interpreted to have been derived locally. Boulders and chips of magnetite-hematite-quartz veins, some with secondary copper minerals, occur in the eluvium. Many historical 'gambosino' (small miner) placer operations are present in the immediate area, as is one historical small scale quartz-carbonate-magnetite-hematite vein gold mine (see news releases dated July 20, 2007 & August 29, 2007).


The La Palma area is characterized by an alluvial filled valley up to 1 km (0.62 mi.) wide, which traces out the WNW trending La Palma fault zone. Numerous large rusty color blooms, coincident with high level intrusions and both ASTER and stream sediment geochemical anomalies, occur in the area. The Company's prospecting team has located several new vein, stockwork, and skarn-hosted silver and gold prospects with associated silicification and sericitization alteration.

Maria Ag-Ba Vein

The Maria mineralizing system, located 1.5 km (0.93 mi.) south of Susana D'Oro, is a stockwork and breccia zone up to 20 meters (65.6 ft.) wide flanking a 400 meter (1,312 ft.) long central massive quartz-barite-hematite-magnetite-silver vein in skarn. Minor secondary molybdenum minerals occur locally. Small historical gambosino workings occur in the vein in areas of high grade silver mineralization. Low values of gold are present in all samples. The Maria target is interpreted as either a smaller high grade silver zone or a larger tonnage lower grade silver-gold zone. Sampling results range from 7 to 1,585 gpt (46.23 opt) silver and 0.011 to 0.157 gpt gold (see news release of December 6, 2007).

Pamela Au

The Pamela gold zone, located 1 km east of Maria, consists of a strong Fe-Oxide color anomaly underlain by intensely silicified-sericitized interbedded limestone and limy sediments with finely disseminated pyrite and arsenopyrite. A coarse stockwork of quartz-hematite-magnetite with vuggy, gossany boxwork occurs locally. The zone is greater than 200 x 200 meters (656 x 656 ft.). Analyses of five surface grab samples from the zone are as follows:

Auppm                Agppm            Cuppm
3.39                  1.5              2,240
2.25                  2.6              1,200
1.93                  1.3              1,740
0.06                  0.2                 45
1.67                  4.0              1,330


The Company has identified a new area of molybdenum-copper-gold sulphide mineralization in the Cantadero region, 14 km (8.7 mi.) south of Susana. As exploration work progresses in the area, a cluster of various types of mineral showings are beginning to emerge, several with large tonnage potential. Molybdenite occurs in high grade veins, in quartz-stockworks, and in intrusive rocks. Copper and gold mineralization occurs in skarn, veins, and felsic volcanics. Abundant Fe-Oxide color anomalies are present over approximately 16 sq km (9.94 sq. mi.) in a basin-like topographic and geologic feature, and along a spatially related SSE trending structural zone. The basin is characterized by gently rolling hills of low relief. Strong zones of silicification and sericitization are developed in association with copper-molybdenum-gold mineralization and Fe-Oxide color blooms. The intrusive setting is interpreted as high level. Barium geochemical anomalies are associated with the molybdenum mineralization. Barite is a positive indicator of a high level molybdenum-copper system. Prospecting continues in the region.

Cantadero Cu-Mo-Ag-Ba Quartz Stockwork

The Cantadero quartz stockwork zone is a previously unknown zone of copper-molybdenum-silver mineralization located approximately 3 km (1.86 mi.) northeast of the Luisa auriferous felsic volcanic epicenter and 14 km (8.7 mi.) south of Susana. The zone is characterized by a large rich red Fe-Oxide color anomaly ( > 100m x > 200m or > 328 ft. x 656 ft.) with ubiquitous gossany boulders with well developed seams and patches of vuggy boxwork gossan, sericitization, and silicification. Essentially, all sulphide mineralization has been leached from the surface exposure, and therefore the values obtained from the surface samples (see below) are considered indicative of higher grades at depth. Porphyry and granite intrusions, sediments, and andesitic volcanics occur in the area of the quartz stockwork zone. Analyses of 12 grab samples of gossany surface material from the zone are as follows:

Cu ppm             Mo ppm          Ba ppm        Ag ppm
1,235                 332           1,960           2.8
480                    94           2,650           0.9
919                   180           2,340           1.9
1,525                 150           1,500           1.8
813                   146           2,080           3.6
63                    476           2,010           0.2
84                    251           2,430           0.3

440                   214           1,620           0.3
2,020                 268           2,540           2.8
1,170                  25           1,910           4.1
575                   116           2,540           0.7
809                    65           2,650           2.5

Mo and Au-Ag Veins

A high grade molybdenum prospect (the average of two grab samples was 0.53% molybdenum) is located 1 km (0.62 mi.) west of the quartz stockwork zone in a quartz monzonite. Further west (1 km), a grab sample from a quartz vein assayed 16 gpt gold and 60.2 gpt silver. The extent of these mineralized structures has not been determined.

Luisa Gold

The Luisa porphyry is a large felsic volcanic epicenter located 3 km southwest of the Cantadero copper-molybdenum quartz stockwork zone. The felsic volcanics are characterized by zones of silicification, sericitization, and clay alteration with values of fine free gold mineralization, and a strong Fe-Oxide color anomaly. The Fe-Oxide color anomaly extends over approximately 100 ha (1 sq km or 247 acres). Individual 1.0 meter (3.3 ft.) chip samples have assayed up to 1.25 (gpt) ppm gold, and a 40 kg (88.2 lb.) sample from the original discovery outcrop assayed 0.33 gpt gold. Work continues on the prospect (see news release dated August 21, 2007).

Cu-Au Skarn

Situated 1 km (0.62 mi.) east of the Luisa felsic volcanic epicenter and lying along the south edge of the Cantadero basin, copper-gold-silver mineralization is present in skarn in an area < 1 ha (2.47 acres). Analyses of 6 grab samples from the zone are as follows:

Cu%       Au gpt       Ag gpt
2.19       0.81          63.0
0.34       0.51           5.4
1.13       1.18           9.4
0.86       0.52           6.6
1.43       0.51          25.2
1.17       0.72          15.9

Peter Gummer, President of First Narrows, commented, "Although our regional prospecting and geological programs continue to evaluate and prioritize new prospective targets, it is now time to move forward with a diamond drill program. Core drilling of the Susana D'Oro high grade Cu-Au-Ag veins is being planned for this April."

Dr. Adrian Mann, P.Geo., (AGEGGA #M50794), the Company's Qualified Person for its Mexican projects, has reviewed and approved the content of this news release.

About First Narrows Resources Corp.:

First Narrows Resources Corp. (TSX-V: UNO) is a Canadian-based mineral exploration company whose corporate strategy is to develop overlooked and undervalued mineral properties that offer near term production potential. The Company has active projects in the Province of New Brunswick, Canada and in the State of Sonora, Mexico. The most advanced project is the 100%-owned Chester copper-polymetallic deposit in New Brunswick's Bathurst Mining Camp, which is rapidly moving forward to NI 43-101 mineral resource estimate and conceptual mine design status. For more information visit:

"Peter K. Gummer"
Peter K. Gummer, President

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Contact Information

  • For Corporate, Media, or Investor Communications contact:

    Greg Lytle
    Communications Manager
    First Narrows Resources Corp.
    N. America toll-free: 1-866-285-5817
    Int'l. & Vancouver: (604) 839-6946
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    First Narrows Resources Corp.
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