Posts Tagged Titan24

Airborne geophysics over the Symphony Property

Posted by on Thursday, 22 September, 2011
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BonTerra Resources Inc. Fugro Airborne Surveys has commenced an aeroelectromagnetic survey over the entire Symphony Property (the “Property”). The Property is situated in the Omineca mining division approximately 29 kilometres southwest of Houston, British Columbia.  BonTerra recently staked additional claims to consolidate its land position situated in between the Silver Queen Mine to the south and the Silver Streak property to the north.

Directly bordering the Property to the south is the past producing Silver Queen Mine. Historical ore grades are 8.72 opt (299 grams / tonne) silver, 0.18 opt (6.17 g/t) gold, 6.73% zinc, 1.16% lead, and 0.47% copper.

The Silver Queen property is currently being advanced by New Nadina Explorations. New Nadina has intersected silver, gold and base metal mineralization on the property. They have completed an aeromagnetic and ZTEM survey, a titan geophysical survey and diamond drilling. Drilling revealed grades of up to 493.5 g/t silver, 5.06 g/t gold, 13.5% zinc, 6% lead and 2.88% copper. The mineralized trend has a general southeast to northwest trend, the direction towards which the Property is situated.

General Location Map:

http://www.bonterraresources.com/i/pdf/SymphLocationMap.pdf

The Silver Streak property is situated to the north of the Property. Trenching on the Silver Streak identified significant mineralization which included 1.99% Cu and 338 g/t Ag over 33 meters. An inclined diamond drill hole was drilled underneath this trench in 1991. A zone grading 8.8 meters of 0.49% copper and 258 g/t silver, within 21.1 meters averaging 0.27% copper and 127 g/t silver was discovered. Another trench excavated in 2002 graded 0.26% copper and 1.91 g/t Ag over 16.7 meters. The mineralized zone is believed to have a NW-SE strike, the general direction of the Property.

This DIGHEM Electromagnetic survey with optional Radiometrics will total 308 line kilometres of readings. DIGHEM records electromagnetic data which can be interpreted to show changes in bedrock geology to great depth. The system uses multiple frequency electromagnetic fields to measure and map electrical conductivity in three dimensions. The DIGHEM EM system provides the interpretation benefits that can only be realized by a system employing both horizontal coplanar and vertical coaxial transmitter-receiver coil-pairs. BonTerra has selected Fugro’s optional Radiometrics application for an effective geological mapping solution as part of this mineral exploration program. The Company plans on using this survey to identify additional targets of interest on the property in its evaluation for silver and base metal mineralization potential on the Property.


Geophysical Survey Indicates Continuity of the Deep Conductivity

Posted by on Tuesday, 12 July, 2011

Romios Gold Resources Inc. announces the results of a recent ground geophysical survey carried out on the Trek Property in Northwestern B.C, Canada. The ground survey identified a deep conductivity anomaly at approximately 300 metre depth that may be a continuation of a large, anomalous conductive zone previously identified by the Titan 24 geophysical surveys (see Press Release dated November 4, 2010).
The 2011 ground geophysical survey, carried out by Frontier Geophysics of Vancouver, B.C., was oriented in an east-west direction parallel to previous ground surveys along the southern margin of the North Zone. The survey, herein referred to as the North Zone Line 4, comprised induced polarization (IP), resistivity (RES), and ground magnetics (MAG) readings every 100 metres for a total survey length of 1.4 kilometres with 100 metre-spaced dipoles. Additional ground surveys were postponed due to high snow levels.

The IP profile from North Zone Line 4 indicates a large, 200 metre-wide conductive anomaly at 300 metres depth below the center portion of the line. This zone of high conductivity exists at approximately the same elevation and exhibits an identical width and geophysical signature (100-500 ohm / metre) as all three of the MT conductivity anomalies identified in the three Titan 24 lines to the north. The conductivities measured on North Zone Line 4 are also higher overall (less resistive) than others in the area.

The IP profile from North Zone Line 4 also correlates with the Titan24 lines to the north. Line 4′s IP profile indicates three zones of anomalous chargeability. The eastern-most IP anomaly correlates with IP anomalies to the northwest in the area of the current drilling at the North Zone. One of the western-most IP anomalies, lying along the surface, correlates with large amounts of sulphides in outcrop. The other western anomaly, extending from surface to 350 metres depth along the western edge of the survey, indicates a different rock type along a major fault.

Silver Standard Consolidated collected four rock samples within the area in 1989. These samples were taken from the area immediately adjacent to the middle of Line 4, in the area of moderate and high conductivities (low RES) and moderate chargeability (IP), similar to the geophysical signatures from the mineralized areas further north. Rock sample results (shown in Table 1 below) include samples 333215 and 333216, reportedly assayed 2.04 % Cu, 0.70 g/t Au, and 13.2 g/t Ag, and 4.32 % Cu, 1.0 g/t Au, and 36.2 g/t Ag, respectively.


Completion Of Airborne Geophysical Survey In Northwestern British Columbia

Posted by on Thursday, 23 June, 2011

Romios Gold Resources Inc.  announces the completion of a 743 line-kilometre airborne geophysical survey over the Company’s wholly owned Dirk and Andrei properties in the Galore Creek area, Northwestern British Columbia. The geophysical survey employed Fugro Airborne’s “DIGHEM” system, measuring multiple frequency electromagnetic fields to produce high-resolution electromagnetic resistivity and magnetic anomaly maps of the top 150 metres of the earth’s crust. The DIGHEM system, in development and use for over 40 years, is widely used in the mining and exploration industry and has aided mineral exploration at other properties in the area such as Newmont Lake, Trek, Galore Creek, and Copper Canyon.

Preliminary results of the Fugro survey over the Dirk property suggest a coincidence between a broad, northeasterly striking magnetic anomaly of moderate intensity with a megacrystic syenite porphyry, similar to those found at Galore Creek. Surface mineralization on the Dirk property is reflected as geophysical anomalies exhibiting a high-magnetic, low-resistivity signature within and adjacent to a larger magnetic anomaly outlined in the Fugro Airborne Survey. Together, the broad magnetic anomaly and the anomalies reflecting surface mineralization, cover an area approximately 9.6 km long by 3.0 km wide. A 2010 mapping project from the British Columbia Geological Survey (BCGS) supported Romios’ contention that the Dirk property mineralization is analogous to and may be as large as the Galore Creek Project.

The Dirk and the recently staked Andrei property are described by the BCGS as holding the potential for VMS (volcanic massive sulphide) – related mineralization. Known silver, zinc, and copper- mineralization within rhyolite ash flows on the Andrei property are manifested in the Fugro surveys as geophysical anomalies which exhibit low to moderate resisivity and moderate magnetic signatures similar to those recorded over the National Instrument 43-101 Inferred Resource of the Northwest Zone on the Newmont Lake property.

A more comprehensive analysis of the Dirk and Andrei geophysical surveys will be conducted upon receipt of the completed and final results from Fugro Airborne Surveys. Maps of the preliminary results will be posted on Romios’ website.

The airborne geophysical survey is part of the $6+ million 2011 exploration program which also includes approximately 10,200 metres of diamond drilling on the Trek property, 1,200 metres on the Dirk property, and 400 metres on the Newmont Lake property.

Drilling commenced on June 2, 2011 on the Tangle and North Zones at the Trek Property. The first hole has been completed on the Tangle Zone and has encountered variable amounts of sulphide mineralization. This mineralization correlates well with the IP (induced polarization) and MT (magnetotelluric) anomalies identified in the 2010 Titan 24 Survey. Drilling on the second hole on the Tangle Zone is in progress.

Drilling has also commenced on the first hole of the 2011 season in the North Zone targeting the near surface mineralization and the deeper MT anomaly identified by the 2010 Titan Survey. All drilling results will be announced as soon as they are available.


Airborne EM survey in Chile for copper-molybdenum project

Posted by on Friday, 7 January, 2011

International PBX Ventures Ltd. announces that Geotech Ltd. has completed its helicopter-borne ZTEM and magnetic surveys on the Company’s Copaquire and Huatacondo copper-molybdenum projects, located in northern Chile.

The airborne geophysical data will be analyzed to aid in the selection of drill targets for the Company’s previously announced drill program, which will commence in February, 2011 as well as for the selection of further exploration targets on unexplored areas of the property.

The airborne survey was conducted over known areas of copper and molybdenum mineralization (Sulfato and Cerro Moly) and the particular signature of these mineralized zones will be useful in identifying similar signatures in other areas in the Copaquire and Huatacondo properties.

The survey was also flown over the recently completed Titan deep penetration IP survey area, which will be the initial focus of the upcoming drill program. Comparative studies between the two geophysical surveys and subsequent drill results will be conducted in order to prioritize generated airborne survey targets over the entire property.

George Sookochoff, President & CEO of PBX, said, “We believe that this comprehensive and systematic airborne survey is an excellent tool not only to qualify new drill targets but also to get an overlook of the entire property. The Company expects to receive the results from Geotech Ltd. by the end of the month.”

The ZTEM system is one of the leading airborne geophysical systems in use today and is particularly suited to identifying large conductive ore bodies. The ZTEM system is renowned for its deep penetration, high spatial resolution and ability to detect and differentiate weak electro-magnetic anomalies at depths up to 1,500 metres.

The Copaquire porphyry includes three zones: Sulfato North, South and Cerro Moly and covers an area of about 7 square kilometres and encompasses potassic, phyllic, argillic and propylitic phases of alteration and as such possesses all the alteration characteristics ascribed to typical calc-alkaline porphyry copper systems. The porphyry has a leached cap and secondary chalcocite blanket, more typical of Andean porphyry systems like the nearby Collahuasi deposit which is exposed in the Sulfato Zone north of the Cerro Moly ridge.

Most exploration drilling to date has concentrated within a molybdenum stockwork system at the Cerro Moly Zone over an area of approximately 48 hectares. This zone remains open at depth and along the SW-NE long axis of the mineralized trend.

The Cerro Moly Zone is related to the emplacement of a distinct and younger mineralization event (Molybdenum-Rhenium stockwork) within an earlier larger porphyry copper system which hosts mostly copper mineralization.


Comprehensive geophysics for Utah’s copper district

Posted by on Thursday, 23 December, 2010

Andover Ventures Inc. announces today that Quantec Geoscience of Toronto, Ontario, Canada are currently conducting an IP (induced polarization) survey on the Big Hill prospect located on Chief Consolidated Mining Company’s (Chief) property (a subsidiary of Andover), East Tintic Mining District, Utah. Data is being collected from IP lines being conducted by Quantec utilizing the Titan IP/ DC system which is an alternate system to conventional IP survey systems. The Titan IP/ DC system provides a better IP and resistivity resolution than conventional IP. Weather permitting, the field work will be completed by the end of 2010.

Western Geco has completed a MT (magnetotelluric) survey on the Big Hill prospect. This data has allowed Western Geco to develop a final MT inversion model for the Big Hill prospect and this model has been sent to Kennecott for their review.

MPX Geophysics based in Markham, Ontario, Canada has completed an airborne magnetic survey. An aeromagnetic survey is a geophysical method used for imaging rock units with variable magnetic characteristics. This passive measurement method measures the intensity of the ambient magnetic field by towing a magnetometer on a pre-determined grid behind a helicopter. The resulting magnetic map will show the distribution of rock units based on their magnetic mineral content. The final report has been forwarded to Kennecott and upon data interpretation will be used to visualize geological units and to interpret subsurface geological structure.

The initial 2010 work program commenced in August of 2010 and included an airborne magnetic survey, IP (induced polarization) survey, a ground MT (magnetotelluric) survey, surface mapping, grab sample analysis with PIMA and assay, review and re-assay of Anglo American core from the Big Hill prospect and a compilation and review of old mine data from Chief’s property.

Under the terms of the agreement, Kennecott may earn a 51% interest in the Big Hill Project by completing a Pre-feasibility Study or incurring $20,000,000 in expenditures, whichever occurs first, and an additional 4% interest by funding all Project costs until delivery of a Feasibility Study accepted by Rio Tinto.

The Big Hill porphyry target is located in the East Tintic Mining District approximately 43 miles south east of Rio Tinto’s Bingham Canyon Mine, which is recognized as one of the worlds largest open pit copper porphyry deposits. A stock work of quartz vienlets occupies the core zone of the Big Hill target area with a lithocap super imposed on the stockwork, a process known as telescoping. Lithocaps usually define the shallow parts of porphyry copper systems typically above the main Cu-Au-Mo zone.


Substantial geophysical survey in Chile

Posted by on Monday, 20 December, 2010

SAMEX is conducting a multi-project, multi-faceted exploration program at its large, wholly owned Los Zorros property holdings in Chile. Thus far, three core drill holes have been drilled and a fourth hole is in progress. SAMEX recently secured major funding which has facilitated a significant expansion and extension of the exploration programs on its various projects. While core drilling is ongoing, the Company is also preparing for a substantial geophysical survey over large portions of the Los Zorros district utilizing the Titan 24 proprietary deep-earth-imaging technology from Quantec Geoscience.

Following is an overview of the exploration progress and planned activities for various projects at Los Zorros:

Cinchado Gold Project – Three core holes have been drilled thus far. Data evaluation is ongoing and a Titan 24 survey line has been prepared to cross over the project area and results will be incorporated together with all mapping, sampling, drilling and historic data to guide additional drilling in the Cinchado Project area.

Titan 24 Geophysics - The Titan 24 Magnetotellurics and IP/Resistivity is a deep-earth-imaging technology system that images conductive mineralization, disseminated mineralization, alteration, structure and geology for targeting of drill holes to depth. Grid-lines are currently being surveyed-in for the geophysical program scheduled to begin in January 2011. Data from the Titan 24 survey will be correlated with data from drilling to help guide exploration throughout the extensive Los Zorros district.

The Los Zorros property contains numerous large-sized gold and gold-silver-copper targets on a single property holding and thus represents a very important, strategic opportunity for SAMEX. The prospect is geologically well situated within the highly prospective mining belt that contains the copper-gold ore bodies of the Punta del Cobre District (150 million cumulative tonnes with an average grade of 1.5% copper, 0.2 to 0.6 g/mt gold, 2 – 8 g/t silver), the large Candelaria mine (460 million tonnes containing 0.82% copper, 0.22 g/mt gold, 3.1 g/mt silver), the large, mined-out Chanarcillo silver deposit (+100 million ounces of silver), plus many smaller copper-gold and gold ore bodies which still locally support mining operations. Infrastructure for large mining activity is readily available in the area with power, transportation, water, communications and manpower all within advantageously close distances. Because of the large size of the property, and the fact that our exploration is still in progress, the information and ideas behind the targets currently being developed must be considered as an evolving picture. The possibility of defining further new target(s) on the property remains strong.