TY  - JOUR
TI  - Structural controls and hydrogeochemical properties of geothermal fields in the Varto
region, East Anatolia
AB  - Varto and the surrounding region have important geothermal fields, developing in strike-slip tectonic setting in East Anatolia,
which resulted from the collision of the Arabian and Eurasian plates. The main structural elements in the area are the NE-trending
sinistral and NW-trending dextral strike-slip fault segments and N-S trending extension zones. In order to determine fault-controlled
geothermal circulation, it is very important to fully characterize the structural elements in these complex environments. The widely
distributed volcanic rocks have fracture and crack systems that play an important role in surface infiltration, geothermal fluid, and
groundwater circulation. Especially in areas where the fault segments intersect, hot springs outlets and natural resources easily come
to the surface. In order to understand the flow paths of geothermal fluid along the faults in these geothermal systems, it is necessary
to determine the stress state of the faults and to map the distribution of the structural elements. For this reason, we conducted a
detailed study on the Varto Fault Zone, which has important geothermal fields in Eastern Anatolia. We present conceptual models of the
geothermal fields in the Varto region that show favorable geothermal activity on the intersecting fault segments, fault bends, step-overs,
and accompanying fracture-crack sets. As a result, we emphasize that the planes of strike-slip faults in transtensional areas are more
favorable for secondary permeability and enhances the geothermal fluid circulation, and this can be supported by hydrogeochemical
data.
AU  - Sözbilir, Hasan
AU  - UZELLI, TAYGUN
AU  - BABA, ALPER
AU  - DÖLEK, İSKENDER
AU  - Dirik, Kadir
AU  - ŞENER, Mehmet Furkan
DO  - 10.3906/yer-2106-13
PY  - 2021
JO  - Turkish Journal of Earth Sciences
VL  - 30
IS  - Özel sayı 2
SN  - 1300-0985
SP  - 1076
EP  - 1095
DB  - TRDizin
UR  - http://search/yayin/detay/519880
ER  -