U.S. SECURITIES AND EXCHANGE COMMISSION
                                 Washington, D.C. 20549



                                       Form 8-K




                    Current Report Pursuant to Section 13 or 15(d) of
                                The Securities Act of 1934



         Date of Report                               December 31, 1996
                                            (Date of earliest event reported)

  


                                 TGC Industries, Inc.
                 (Exact name of registrant as specified in its charter)







        Texas                        0-14908                 74-2095844
   (State or other                 (Commission           (I.R.S. Employer
    jurisdiction                   File Number)         Identification No.)
  of incorporation)



        1304 Summit, Suite 2                                 
        Plano, Texas                                             75074
(Address of principal executive offices)                       (Zip Code)


Registrant's telephone number, including area code:          (972) 881-1099


Item 7.  Financial Statements and Exhibits.

        (c)    Exhibits

        27.    Restated Financial Data Schedules for (a) Fiscal Year Ended
               December 31, 1996; (b) Quarter Ended March 31, 1997; (c) Quarter
               Ended June 30, 1997; and (d) Quarter Ended September 30, 1997.








Signatures

        Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                                  TGC INDUSTRIES, INC.


                                                        /s/ ROBERT J. CAMPBELL
March 31, 1998                                     By:      Robert J. Campbell, 
                                                            Vice Chairman of the
                                                            Board
                                                            (Principal Executive
                                                             Officer) 
                                                                     

 

5 YEAR 3-MOS 6-MOS 9-MOS DEC-31-1996 DEC-31-1997 DEC-31-1997 DEC-31-1997 DEC-31-1996 MAR-31-1997 JUN-30-1997 SEP-30-1997 655,280 288,712 250,996 254,650 0 0 0 0 758,193 362,409 1,319,911 2,011,173 0 0 0 0 0 0 0 0 2,353,203 1,192,804 2,347,380 2,640,941 7,450,530 8,905,217 8,975,328 10,513,664 2,257,126 2,512,313 2,823,110 3,077,837 8,906,999 7,650,940 8,564,830 10,142,000 3,638,732 3,446,263 4,232,044 4,802,334 1,025,937 1,331,200 1,251,397 1,953,601 633,865 640,082 640,082 640,082 0 0 0 0 1,150,350 1,148,850 1,148,850 1,148,850 1,233,091 1,084,545 1,292,457 1,597,133 8,906,999 7,650,940 8,564,830 10,142,000 0 0 0 0 9,339,970 2,740,353 7,481,023 11,647,356 0 0 0 0 8,076,520 2,527,915 6,526,504 10,125,181 809,696 209,308 457,682 674,741 0 0 0 0 65,055 42,982 85,947 126,192 (1,244,077) (154,737) 181,120 376,587 0 0 0 0 158,629 (154,737) 181,120 376,587 (1,402,706) 0 0 0 0 0 0 0 0 0 0 0 (1,244,077) (154,737) 181,120 376,587 (0.20) (0.02) 0.03 0.06 (0.19) (0.02) 0.03 0.05