October 14, 2009 Mexican Exploration Update
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ARCO'S MEXICAN EXPLORATION UPDATE
October 14, 2009 -- Vancouver, B.C.: Arco Resources Corp. (ARR: TSX-V) is pleased to announce that the Company is once again focused on its Oaxaca portfolio of mineral properties in southern Mexico. Arco Resources Corp. holds six perspective mineral properties in the mineral rich and historically productive state of Oaxaca. All of the properties are at the exploration stage, however, each has historic workings both pre and post Mexican revolution vintage. The properties are prospective for silver, gold and polymetallic mineralization.
The Company has begun selective sampling and data compilation campaigns to prioritize its subsequent efforts. The Company is also evaluating other undervalued acquisition opportunities in the Oaxaca state. The Company employs a competent and experienced crew of Mexican nationals based in the capital of Oaxaca, directed technically by the Company's new Chief Geologist, Paul Cowley, P.Geo.
About The Company Properties
Taviche
Taviche is an attractive silver-gold-bearing quartz vein with typical epithermal textures and existing historic (Spanish and subsequent) underground workings. The vein can be traced for over 1.5 kilometres. Five hundred metres of continuous underground workings can be seen in one level. A second deeper level is known to have a 100 metres length. The laterally continuous vein varies in thickness from 1-5 metres but appears to average 2 metres and is sub vertical. Epithermal textures include open space fillings, bladed veining and megacrystic carbonate replacement, all significant textures known in gold-silver epithermal deposits. There are no records of the grades from the vein system but one speculates that for the amount of labour and extraction on the vein, grades must have been significant. The Company plans on conducting an extensive underground re-sampling program to determine the average grade before considering a drill program. The access is excellent, less than 1 kilometre from paved road and approximately 1.5 hours drive from the capital of Oaxaca.
Lachiguiri (NI 43-101)
The 4,200 hectare Lachiguiri Property covers a large quartz-rich carbonate replacement alteration system focused on a silver-lead-zinc-bearing vein system. The alteration system covers a strike-length of at least 5 kilometre with thick multiple laterally extensive trends of quartz with strong epithermal textures. The trends of quartz appear to average 5-15 metres thick and textures observed are open space fillings, cockscomb, drussy quartz, bladed, veined and micro-veined, all typical of silver-gold epithermal deposits. The property is covered by thick jungle and outcrops are limited which has slowed exploration progress to evaluate the significance of the large alteration system. Previous work has focused on a 500 metre long part of the vein system where historic (Spanish and subsequent) underground exploration and extraction has taken place. Sampling from dumps has returned bonanza values at high as 1510 g/t silver. Chimneys of mineralization are documented to be 5-50 metres wide and 100-300 metres long. At least 2 steeply dipping mineralized shoots are evident and form obvious drill targets, however, the Company prefers to evaluate the larger alteration system by conducting an inexpensive broad based soil sampling program.
Quatro Venados
The 3,631 hectare Quatro Venados Property covers a 5 kilometre strikelength of a gold-bearing quartz vein. Historic mining took place in the northern and southern parts of the vein. The northern multi level underground workings lies on a claim held by the local community amenable to negotiate a deal with the Company. The vein is generally 1 metre wide with grades up to 12.6g/t gold but appear to average 4-8 g/t gold. Very little prospecting and sampling has been done on the vein between the underground workings. The Company plans to prospect this area to evaluate the vein and identify sections of higher grade gold values.
Silacayoapan
The 33,587 hectare Silocayopan property located in the western part of the state covers multiple known vein systems. In the Oaxaca state Geology and Mining Monograph, at least 4 vein systems are present, two of which are the Providencia and Soledad vein systems. Providencia is documented as a hydrothermal vein system with grades in the order of 16 g/t gold and 130 g/t silver. The Soledad vein system is documented as a hydrothermal vein system with copper grades in the order of 3%. The property has the benefit of a government sponsored 200 tonnes per day beneficiation plant in the area which, although not currently operational could be re-activated with proven mill feed from the district. Little is know of these vein systems. The Company is currently building a database for each vein system.
Nino Perdido
The 2,256 hectare Nino Perdido Property lies in a gold-silver-rich district southwest of the capital of Oaxaca and previously worked by the Spanish in historic times. According to the Oaxaca state Geology and Mining Monograph, gold grades in the area can reach between 6 and 13 g/t. Limited sampling by the Company has produced assays up to 80 g/t gold. The Company has very little information regarding mineralization on its property and is currently building is database there.
Tres Hermanas
The 3,710 hectare Tres Hermanas Property covers a silver-lead-zinc-bearing vein system that has historic underground workings on 5 levels along a 400 metre strike. Sampling underground show local values >500g/t silver. The Company has taken chip samples including 764.5 g/t silver and 10.4% lead across 1.5 metres. Regional soil sampling has indicated the vein system continues along strike in both directions. The vein system shows widths of 1-2 metres with a lower grade shell upwards of 15 metres wide. The Company continue to evaluate this project and work with the community.
On behalf of the Board of Directors of Arco Resources Corp
"Warren McIntyre"
Warren McIntyre
President and Chief Executive Officer
Arco Resources Corp
Paul Cowley, P.Geo., Chief Geologist for Arco Resources Corp., is the Qualified Person as defined in National Instrument 43-101, who has reviewed and approved the technical content of this news release.
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