Fluid Inclusion and Oxygen Isotope Constraints on the Origin and Hydrothermal Evolution of the Haisugou Porphyry Mo Deposit in the Northern Xilamulun District, NE China
Table 4
Representative electron microprobe analyses of chlorite and calculated temperatures.
Sample
Type I chlorite
Type II chlorite
H08-2.2
H08-2.3
H08-5.1
H08-5.3
H09-1.2
H09-1.3
H09-2.4
H09-28.6
H09-6.2
H09-6.9
SiO2
27.58
28.64
27.12
27.26
27.22
27.70
26.50
25.95
25.57
24.84
Al2O3
16.23
16.11
16.92
17.36
16.95
16.83
17.59
17.43
18.06
19.30
TiO2
0.10
0.11
0.02
0.05
0.05
0.20
0.06
0.06
0.08
0.11
Cr2O3
0.19
0.21
0.08
0.05
0.15
0.06
0.08
0.07
0.07
0.07
FeO
28.32
28.72
29.91
28.29
29.30
28.77
28.31
28.96
28.56
29.21
MnO
0.34
0.33
0.41
0.43
0.32
0.50
0.37
0.37
0.35
0.34
MgO
14.36
14.91
14.41
15.82
14.58
14.89
15.24
14.67
14.51
13.30
CaO
0.15
0.21
0.04
0.04
0.15
0.14
0.07
0.07
0.10
0.13
NiO
0.04
0.02
0.00
0.00
0.01
0.00
0.02
0.01
0.02
0.04
Na2O
0.00
0.00
0.00
0.07
0.02
0.03
0.06
0.07
0.10
0.06
K2O
0.02
0.04
0.03
0.00
0.03
0.05
0.01
0.02
0.02
0.03
Si
2.97
3.02
2.89
2.87
2.90
2.93
2.83
2.81
2.77
2.70
Al
1.03
0.98
1.11
1.13
1.10
1.07
1.17
1.19
1.23
1.30
Al
1.04
1.01
1.02
1.02
1.03
1.03
1.04
1.03
1.07
1.17
Fe
2.55
2.53
2.67
2.49
2.61
2.54
2.53
2.62
2.59
2.65
Mg
2.31
2.34
2.29
2.48
2.32
2.35
2.43
2.37
2.34
2.15
Fe/(Fe + Mg)
0.53
0.52
0.54
0.50
0.53
0.52
0.51
0.53
0.52
0.55
(°C)
274
265
292
295
290
284
304
310
318
335
(°C)
268
255
294
303
292
283
315
322
335
357
(°C)
275
262
301
308
299
289
321
329
341
364
Average
273
261
296
302
294
285
313
320
331
352
SD
4
5
5
6
4
3
8
9
12
15
Note. SD refers to 1 standard deviation. The temperatures were calculated using three different methods: [38], [39], and [40].
