Exhibit 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our report included in this Form 8-K, into McMoRan Exploration Co.'s previously filed Registration Statements on Form S-3 (File No. 333-95195) and on Form S-8 (File Nos. 333-67485 and 333-67963). /s/ ARTHUR ANDERSEN LLP New Orleans, Louisiana February 8, 2001