ABSTRACT

The sampling points are shown in Figure 1. Water samples were filtered using 0.45 μm syringe filters in the field, collected in dark sterilized Vacutainer and stored at 4oC until analysis.

1 INTRODUCTION

The metal-rich geothermal systems have been found throughout the world. In several geographical locations (Turkey, India, Bangladesh, and Taiwan), As occurs naturally in subsurface strata within volcanic and sedimentary formations.