An instrument or device used to measure the temperature of geological formations or materials through chemical analysis.

रासायनिक भू-थर्मामीटर

English Usage: The chemical geo thermometer revealed that the volcanic rock was much hotter than initially estimated.

Hindi Usage: रासायनिक भू-थर्मामीटर ने खुलासा किया कि ज्वालामुखीय चट्टान पहले अनुमान से कहीं अधिक गर्म थी।