1 : of or relating to a solfatara or its action. 2 : relating to, caused by, or denoting the transfer of mineral substances within the earth by sublimation or by the chemical and transporting action of steam.

What is Solfataric field?

solfataric activity The quiet escape of hot, sulphur-rich gases from recently emplaced volcanic bodies. The name is derived from the fields of sulphurous gas vents at the Solfatara crater, north of Naples, Italy.

What does geyser mean in English?

1 : a spring that throws forth intermittent jets of heated water and steam. 2 British : an apparatus for heating water rapidly with a gas flame (as for a bath)