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                                   EXHIBIT 23

                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the incorporation of our
report included in this Form 10-K into the following Registration Statements of
Lafarge Corporation previously filed with the Securities and Exchange
Commission: (i) Registration Statement on Form S-8, File No. 2-92414, (ii)
Registration Statement on Form S-8, Form 33-9813, (iii) Registration Statement
on Form S-8, File No. 33-32645, (iv) Registration Statement on Form S-3, File
No. 33-32644 (which also constitutes Post-Effective Amendment No. 6 to
Registration Statement on Form S-1, File No. 2-82548), (v) Registration
Statement on Form S-8, File No. 33-20865, (vi) Registration Statement on Form
S-3, File No. 33-46093 (which also constitutes Post-Effective Amendment No. 7 of
Registration Statement on Form S-1, File No. 2-82548), (vii) Registration
Statement on Form S-8, File No. 33-51873, (viii) Registration Statement on Form
S-8, File No. 333-65897, (ix) Registration Statement on Form S-8, File No.
333-65899, and (x) Registration Statement on Form S-3, File No. 333-57333.



                                                           ARTHUR ANDERSEN LLP


Vienna, Virginia
March 27, 2001