Atacama acquires major new potash project in Brazil
[2008-7-18]
Tag : brine solution
The "Salvador Potash Project" is located along the Atlantic coastwithin the highly prospective southern on-shore portion of theReconcavo Basin.
Research of historical data concerning the history and developmentof oil, gas and halite salt deposits in the Reconcavo Basin hasrevealed the occurrence of potash beds of various meters inthickness directly overlying the halite salt bed located within theevaporitic section of the lower Alianca Formation of upper Jurassicage(i). Petrographic work(ii) has confirmed the existence of potashminerals sylvite and sylvinite interbedded in halite salt within a9 meter section of drill core from hole MQ-3, drilled in 1972.
The potash was found in the "Intermediate Interval" of theevaporitic Matarandiba Member at a depth of 1,100 meters. Thethickness of the Intermediate Interval varies between 32 and 37meters. Underlying the Intermediate Layer is the halite salt bedwhich varies between 29 and 60 meters in thickness. The area of theoriginal discovery of the halite salt bed on the Island ofMatarandiba has been mined by Dow Chemical for the last thirtyyears using solution mining methods.
There are no historical resource estimates of grade or tonnage ofpotash within the project area, but Atacama has initiated anaggressive exploration program to define the economic potential ofwhat is considered a major new potash exploration target in SouthAmerica.
The exploration permits are expected to be granted to the Companywithin the coming weeks. Existing seismic data are being studiedand new gravity surveys will be conducted with plans to initiate ascout drill program in the fourth quarter of this year.
The "Salvador Potash Project" is located along the Atlantic coastwithin the highly prospective southern on-shore portion of theReconcavo Basin.
Research of historical data concerning the history and developmentof oil, gas and halite salt deposits in the Reconcavo Basin hasrevealed the occurrence of potash beds of various meters inthickness directly overlying the halite salt bed located within theevaporitic section of the lower Alianca Formation of upper Jurassicage(i). Petrographic work(ii) has confirmed the existence of potashminerals sylvite and sylvinite interbedded in halite salt within a9 meter section of drill core from hole MQ-3, drilled in 1972.
The potash was found in the "Intermediate Interval" of theevaporitic Matarandiba Member at a depth of 1,100 meters. Thethickness of the Intermediate Interval varies between 32 and 37meters. Underlying the Intermediate Layer is the halite salt bedwhich varies between 29 and 60 meters in thickness. The area of theoriginal discovery of the halite salt bed on the Island ofMatarandiba has been mined by Dow Chemical for the last thirtyyears using solution mining methods.
There are no historical resource estimates of grade or tonnage ofpotash within the project area, but Atacama has initiated anaggressive exploration program to define the economic potential ofwhat is considered a major new potash exploration target in SouthAmerica.
The exploration permits are expected to be granted to the Companywithin the coming weeks. Existing seismic data are being studiedand new gravity surveys will be conducted with plans to initiate ascout drill program in the fourth quarter of this year.
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