Conceptual model of the Şavşat (Artvin/NE Turkey) Geothermal Field developed with hydrogeochemical, isotopic, and geophysical studies

Geothermal Energy

Science – Society – Technology

Table 6 Isotope analysis results for water samples collected in the Şavşat Geothermal Field

Sample name	Date	Definitions	δD _V-SMOW	δ¹⁸O _V-SMOW	T (TU)	δ¹³C _V-PDB	δ³⁴S (SO₄) _VCDT	δ¹⁸O (SO₄) _V-SMOW
ILICAS	May 16	Geothermal water	− 100.38	− 13.03	0.74	4.31	10.6	9.6
	October 16		− 97.99	− 12.84	2.49
	March 17		− 97.14	− 13.24	0.90	7.70	10.9	11.6
	July 17		− 100.36	− 13.03	1.11
CDMS	May 16	Mineral water	− 94.81	− 12.4	3.59	7.65	7.7	6.7
	March 17		− 95.78	− 12.45	3.13		6.4	6.0
	July 17		− 94.88	− 12.48	1.95	9.55
GMS	July 17	Mineral water	− 96.29	− 13.39
SSSK	May 16	Cold spring water	− 88.19	− 12.95	4.67	− 15.4	3.4	0.0
	October 16		− 89.96	− 12.67	4.37
	March 17		− 86.58	− 12.33	4.35	− 12.36	4.3	1.7
	July 17		− 88.38	− 12.59	5.70
GSK	July 17	Cold spring water	− 88.17	− 12.60
CERDERY	May 16	Surface water	− 86.37	− 12.21	6.0	− 13.82	5.2	− 0.7
	October 16		− 82.32	− 11.78	4.29
	March 17		− 90.60	− 12.50	6.35	− 7.79	3.5	0.8
	July 17		− 88.15	− 12.40	5.25
CERDERA	October 16	Surface water	− 85.46	− 11.95	5.97
	March 17		− 90.59	− 12.65	3.81
	July 17		− 88.30	− 12.31	4.08
SAVSTKAR	March 17	Snow	− 120.97	− 17.56	5.77