Influence of Weathering on the Engineering Properties of Dacites in Northeastern Turkey

Table 3

Major element analyses of the dacites with different weathering grades.

Sample No.	Weathering Grade	Na2O	MgO	Al2O3	SiO2	P2O5	K2O	CaO	TiO2	MnO	Fe2O3	LOI	Total
21	I	3.50	2.10	13.5	67.60	0.10	3.50	2.70	0.40	0.10	5.2	2.50	101.20
17	I	4.00	1.50	13.1	67.50	0.01	2.00	2.80	0.40	0.10	6.0	1.75	99.16
21B	I	3.40	1.50	13.4	67.30	0.10	3.00	3.50	0.40	0.10	4.7	2.70	100.10
12B	I	3.80	0.90	14.0	68.20	0.10	3.00	2.50	0.40	0.10	4.5	1.55	99.05
21A	I	3.40	1.50	13.6	68.50	0.10	4.00	3.50	0.40	0.10	4.7	1.70	101.50
12	I	3.80	0.90	14.0	69.50	0.10	4.00	2.50	0.40	0.10	4.5	1.55	101.35
13D	I	3.00	1.80	13.9	67.20	0.10	3.20	2.70	0.40	0.10	5.5	3.30	101.20
10B	I	4.30	2.00	14.0	67.30	0.10	3.30	2.40	0.50	0.10	5.6	1.65	101.25
20B	II	2.90	1.20	15.3	68.70	0.10	2.70	0.50	0.40	0.10	5.9	1.85	99.65
20	II	2.90	1.20	15.3	70.50	0.10	3.70	0.50	0.40	0.10	2.9	1.85	99.45
19A	II	4.40	2.10	13.9	67.20	0.10	1.30	2.30	0.40	0.10	5.7	1.65	99.15
23B	III	2.60	1.00	15.0	69.40	0.10	2.30	0.20	0.50	0.10	6.1	2.25	99.55
19	III	3.57	1.01	14.0	68.53	0.07	1.80	2.21	0.37	0.08	4.3	1.89	97.80
15B	III	2.70	1.30	15.1	68.90	0.10	2.60	0.30	0.50	0.10	6.4	1.80	99.80
20A	III	2.80	1.10	14.6	69.30	0.10	2.50	0.20	0.40	0.10	6.3	1.70	99.10
15	III	2.70	1.30	15.2	69.60	0.10	3.70	0.30	0.50	0.10	4.4	1.80	99.70
20A	III	2.80	1.10	14.6	70.50	0.10	3.70	0.20	0.40	0.10	4.3	1.70	99.50
22C	III	2.70	1.20	15.3	69.10	0.10	2.50	0.30	0.40	0.10	6.0	1.85	99.55
23	III	3.30	1.20	15.1	68.40	0.10	2.60	0.40	0.40	0.10	6.1	1.55	99.25
16	IV	2.40	1.10	15.2	69.20	0.10	2.10	0.20	0.40	0.10	6.7	1.85	99.35
14	IV	3.25	0.99	14.3	69.46	0.10	2.09	0.43	0.39	0.07	4.3	2.12	99.53
ÇXR2	IV	2.80	1.00	15.3	68.70	0.10	2.20	0.20	0.40	0.10	6.7	1.70	99.20
22B	IV	2.70	1.20	15.6	68.50	0.10	3.80	0.30	0.40	0.10	4.6	1.85	99..15
ÇXR1	IV	2.80	1.00	15.3	70.10	0.10	3.60	0.20	0.40	0.10	4.7	1.70	100.90
6B	IV	2.40	1.30	15.3	69.50	0.10	1.70	0.20	0.50	0.10	6.6	2.10	99.80
22A	IV	2.40	1.20	15.6	68.70	0.10	2.00	0.20	0.50	0.10	6.7	1.90	99.40
5	V	2.30	1.00	15.9	68.40	0.10	1.60	0.20	0.50	0.10	6.7	3.25	100.05
7B	V	1.00	0.81	14.8	67.12	0.03	1.72	0.57	0.51	0.09	5.4	4.22	97.21
5	V	2.30	1.20	15.8	67.70	0.10	2.60	0.40	0.50	0.10	5.6	3.25	99.55
6C	V	2.40	1.30	15.3	69.60	0.10	3.50	0.20	0.50	0.10	5.1	1.90	100.00
22C	VI	1.80	0.90	15.5	69.50	0.10	1.50	0.10	0.50	0.10	6.9	1.95	98.85
2A	VI	0.80	0.90	15.3	69.80	0.08	1.75	0.4	0.50	0.10	6.1	2.30	98.03
3A	VI	2.40	0.70	15.5	70.70	0.10	3.20	0.20	0.40	0.10	4.9	1.90	100.10