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E-13<br />

VOLUME 2<br />

Chapter III<br />

OVERVIEW OF THE CARLSBAD POTASH DISTRICT,<br />

NEW.MEXICO<br />

by<br />

James M. Barker<br />

George S. Austin<br />

TABLE OF CONTENTS<br />

OVERVIEW OF THE CARLSBAD POTASH DISTRICT, NEW MEXICO<br />

BRIEF HISTORY OF POTASH DEVELOPMENT<br />

ECONOMIC GEOLOGY<br />

McNutt Member<br />

SUMMARY OF POTASH-EVAPORITE ORIGIN<br />

MINING<br />

MILLING<br />

SUMMARY OF ECONOMIC FACTORS<br />

REFERENCES<br />

III-I<br />

III-2<br />

III-3<br />

III-4<br />

III-5<br />

III-7<br />

III-7<br />

III-8<br />

III-lO<br />

FIGURES<br />

Fig. 1. Location <strong>of</strong> the Carlsbad Potash District in the southwestern United States<br />

and its relation to the regional subsurface geology<br />

III-13<br />

Fig. 2. Active, inactive, and abandoned potash facilities in Eddy and Lea Counties,<br />

southeastern New Mexico showing general outline <strong>of</strong> the Potash Enclave<br />

(KPLA) as <strong>of</strong> 1984 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. III-14<br />

Fig. 3. Diagrammatic north-south cross-:;ection (A-A' on Fig. 2) and stratigraphic<br />

relationships <strong>of</strong> the northern edge <strong>of</strong> the Delaware Basin, southeastern<br />

New Mexico<br />

III-15<br />

Fig. 4 Regional stratigraphic column with expanded sections <strong>of</strong> the Ochoan<br />

Evaporite and McNutt Member <strong>of</strong> the Salado Fonnation<br />

III-16<br />

<strong>Information</strong> .. <strong>Only</strong>

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