Boron Isotopes in the Mount Vulture Groundwaters (Southern Italy): Constraints for the Assessment of Natural and Anthropogenic Contaminant Sources
Table 1
B concentration and isotopic composition of the Mt. Vulture groundwaters.
Sample no.
Long. (north)
Lat. (east)
Elevat.
Type
CH
T (°C)
EC (μS/cm)
pH
δ11B (‰)
B (μg/L)
B/Cl 1
V1
4531210
555380
545
W
BAW
13
350
6.6
−5.1
504
V2
4528490
554302
544
W
BAW
15.2
237
6.8
−2.7
261
V3
4528250
554060
600
W
BAW
17.2
233
7.5
+7.9
59
V4
4528240
555360
545
W
BAW
15
304
6.1
+5.8
67
V5
4535826
556800
686
W
BAW
13.3
202
5.8
+7.6
54
V6
4536694
557091
365
S
HSW
17
2910
6.5
−4.3
2210
V7
4526900
556320
490
W
BAW
15.3
607
6.1
−13.1
275
V8
4526817
556303
490
W
BAW
14.1
478
6.9
−12.7
233
V9
4526707
556342
490
W
BAW
13.8
430
6.9
−2.2
175
V10
4526605
556340
483
W
BAW
16
291
7.0
+6.7
60
V11
4531235
555467
555
W
BAW
13.1
234
6.2
+6.3
57
V12
4534820
557160
519
W
BAW
15.7
265
6.5
+7.6
45
V13
4525820
555300
474
S
BAW
15.7
763
5.9
−4.5
451
V14
4525900
555260
461
S
HSW
15.1
16,4
6.9
−5.8
3470
V15
4526955
556359
487
W
BAW
14.7
896
5.9
−9
463
V16
4531940
548200
575
S
HSW
15.2
1183
5.9
−6.9
746
V17
4526867
551828
449
S
HSW
17
4350
6.5
−9.4
5130
V18
4527726
556960
550
W
BAW
15
370
5.9
−1.9
118
V19
4527739
556970
552
W
BAW
16.1
362
6.3
−12.2
213
V20
4537726
548012
554
W
BAW
18.5
1717
6.3
−16.1
769
V21
4526870
556607
493
W
BAW
16.1
435
6.1
−7.1
144
V22
4532983
547976
547
S
HSW
17.4
2149
6.2
−9.6
923
V23
4533314
549828
566
W
BAW
16.8
750
5.9
−1.6
264
V24
4533306
550031
565
W
BAW
18.1
1480
6.0
−5.2
470
V25
4533379
549532
657
W
BAW
14
351
6.1
−3.9
91
V26
4532938
551154
690
W
BAW
19.5
1147
6.0
−6.1
146
V27
4530603
547666
682
W
BAW
18.9
698
5.9
−5.4
246
V28
4532832
549658
650
W
BAW
19.9
1346
6.1
−6.6
498
V29
4533100
549100
644
W
BAW
19.5
918
5.9
−4.9
355
V30
4533672
549815
555
W
BAW
19.6
1940
6.2
−6.6
652
V31
4532900
551950
885
S
BAW
9.6
206
7.6
+17.8
18
V32
4533066
552194
960
S
BAW
8.8
140
7.0
+23
14
V33
4532966
551315
780
W
BAW
15.8
369
5.9
−4.6
84
V34
4532930
550040
735
W
BAW
16.5
448
5.7
−4.9
102
R35
rainwater
+26
12
Notes: Elevat.: elevation in meters above sea level; S: spring; W: well; CH: chemical hydrofacies; BAW: bicarbonate alkaline-earth and alkaline water; HSW: bicarbonate–sulphate–alkaline water; EC: electric conductivity measured at 25°C; n.m.: not measured. The location of the sampling point is provided in UTM Zone 33 coordinates using the European Datum of 1950. Data from Parisi et al. [31, 33], 1Cl data from Parisi et al. [31, 33].