Table 3: The physical, index and strength properties of the sandstone samples.

Sample No.	Porosity (%)	P-wave Velocity (km/sec)	Dry Density (gr/cm3)	Schmidt Hardness	UCS (MPa)
1	12.32	2.01	2.14	32	35
2	13.94	1.78	2.12	29	31
3	6.94	2.31	2.54	44	59.22
4	6.91	4.22	2.76	45	96.11
5	2.54	5.32	2.93	45	132.02
6	3.57	4.53	2.82	42	115
7	3.5	4.34	2.81	30	111.13
8	11.9	1.21	2.12	30	33
9	14.5	1.42	2.21	43	36
10	7.3	2.78	2.63	43	66.7
11	3.23	4.87	2.83	33	119.4
12	5.60	2.62	2.49	34	67.52
13	4.01	4.87	2.86	39	116.68
14	7.89	2.34	2.46	27	46.32
15	14.51	1.09	2.15	38	29.94
16	2.71	5.21	2.89	30	127.12
17	7.90	2.21	2.46	46	42.21
18	2.19	5.38	2.94	28	143
19	5.81	3.73	2.66	38	86.93
20	13.2	1.32	2.17	44	34.5
21	6.26	3.81	2.66	26	92.61
22	12.57	1.22	2.04	39	30.38
23	7.13	3.37	2.67	39	84.58
24	9.18	2.51	2.6	44	68.63
25	12.24	1.91	2.54	35	44.82
26	5.81	4.30	2.68	26	89.42
27	7.48	3.19	2.65	44	82.71
28	4.71	4.72	2.81	43	106.68
29	10.11	2.29	2.6	40	60.83
30	6.73	4.04	2.72	32	90.8
31	5.61	4.37	2.77	29	99.48
32	4.64	4.65	2.87	44	112.13
33	7.48	2.83	2.57	45	69.97
34	3.28	4.76	2.84	42	114.22
35	4.58	4.96	2.14	30	110.75
36	6.27	4.45	2.76	40	95.06
37	2.65	4.23	2.85	23	130.21
38	6.29	4.41	2.73	32	94.78
39	7.62	3.25	2.67	32	82.57
40	8.26	2.66	2.6	29	78.2
41	6.33	3.15	2.69	28	82.77
42	8.9	2.48	2.58	31	75.23
43	13.23	1.74	2.51	32	38.32
44	11.25	2.08	2.57	33	51.32
45	7.53	2.98	2.7	26	89.47
46	8.42	2.34	2.61	40	64.21
47	10.11	1.94	2.48	42	44.8
48	9.01	2.07	2.69	35	49.28
49	7.71	2.42	2.55	34	53.76
50	10.61	1.72	2.54	43	40.32
51	9.11	1.8	2.56	42	42.56
52	7.81	2.56	2.74	40	56
53	7.41	2.82	2.76	33	60.48
54	9.21	2.35	2.67	44	44.64
55	7.71	2.99	2.76	43	63.36
56	6.96	3.18	2.78	45	65.2
57	9.72	2.04	2.69	37	47.36
58	9.18	2.15	2.69	41	49.12
59	7.15	2.28	2.62	34	51.36
60	6.73	2.36	2.6	35	53.6