Fig.11

III-1.Thermoluminescence method（TL）

Figure 12 depicts the TL measurement equipment.

Fig12

A three dimensional TL intensity pattern shows a thermal history of mineral from geothermal field (Fig13).

Fig13

III-2.Chemical analysis of trace elements utilizing Inductively Coupled Mass Spectrometer（ICP-MS）

Radiometric compositions of Zircon are calculated utilizing Zirconium, Lead, Thorium and Uranium intensities measured by ICP-MS (Fig.14 and Fig.15)

Fig.14 Fig.15