Table 3. X-ray diffraction intensities of carbonate minerals under several conditions of acetic-acid treatment.

Sample	Calcite	Dolomite	Rhodochrosite	Siderite
164-977A-11H-1, 81-83
Original	1702	474	133	164
Treated for 14 hrs	37	42	0	213
Treated for 24 hrs	25	0	21	169
Treated for 48 hrs	0	0	26	131
Treated for 9 days	0	0	41	56
164-977A-22X-6, 12-14
Original	285	65	25	133
Treated for 14 hrs	0	0	47	134
Treated for 24 hrs	0	0	52	112
Treated for 48 hrs	0	0	49	62
Treated for 9 days	0	0	76	0

Note: All the intensities are in counts/min which have been calibrated by standard quartz count.