10.07.2015 Views

43-101 2009 Technical Report On The San Antonio Project, Baja ...

43-101 2009 Technical Report On The San Antonio Project, Baja ...

43-101 2009 Technical Report On The San Antonio Project, Baja ...

SHOW MORE
SHOW LESS
  • No tags were found...

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

PEDIMENT GOLD CORP.grid in their exploration and mine development program. All Pitalla data for the map base isNAD 27 UTM grid and the drill holes were surveyed by GPS Trimble.12.1. Logging of Diamond Drill Core and RC ChipsPitalla geologists independently logged all Planes drill core holes, recording the data onpaper and later transferring it to Microsoft Excel spreadsheet files. Geotechnical logs werecompleted in sequence prior to the geological logging. <strong>The</strong>se logs include digital photorecords, estimations of core recovery (REC), rock quality designations (RQD), fracturetypes, fracture counts and frequencies, dips of structures, measurements of rock strengthand weathering alteration indices.Samples of RC drill chips are collected at the drill site, and field described at the drill site.A binocular microscope is used for higher magnification of the relatively small chips toallow identification of rock types and minerals in the chip sample. <strong>The</strong> RC sample intervalsare 5 feet or 1.52 metres throughout the deposit drilling program. Core holes tended to have6 foot long sample intervals with some variation to 3 foot long sample intervals dependingon rock type changes and structural changes. <strong>The</strong> logging geologist made the decisionsregarding sample length when doing RQD logs.12.1.1. Drill Machines UsedFrom February 11 to May 9, 2007, nine BTW thin-wall (4.7cm) Hydro-Winke holes weredrilled by Diamond Drilling Specialists. <strong>The</strong> Hydro-Winke drill machine is a man-carryablelight weight core Winke drill that was modified to replace its drill top-mounted gasolineengine drive with a remote power source also a gasoline motor turning a hydraulic driveconnected to a driven hydraulic top mounted motor. <strong>The</strong> advantage with this setup is morepower, less noise and weight in the drill frame. <strong>The</strong> lifting tension and downward pressureare provided by human muscle through a chain drive with gear multiplication for this veryportable lightweight core drill. <strong>The</strong> drill is firmly connected to the ground with a cementedcable tie down.<strong>The</strong> main drill machine of the first phase of drilling, a JKS 300 using a thin wall NTW coretubing with the possibility to reduce to BTW, was used for these core holes in this firstphase of drilling. From February 24 to March 30, 2007, a total of 5 NTW core drill holes(LCDD 9, 11, 12, 13, and 22) totaling 823 m, were drilled using the JKS 300 skid baseddrill machine operated by Diamond Drilling Specialists, of New Mexico. <strong>The</strong> holes wereinclined to the east at about 45 degrees to confirm some of the 1996/1997 EBX RC holes.<strong>The</strong> RC drill rig used was a large truck-mounted 685 Schramm Drill, brought fromEdmonton to Hermosillo. <strong>The</strong> drill rig, although heavy, could move about easily throughthe desert scrub terrain on tractor prepared roads made by a local contractor. Pre-numbereddrill sites were laid out by Brunton compass and chain, working off the nearby surveyedgrid.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!