thumb|Approximate temperature curve within depths of Earth. Shows that it gets hotter with increased depth. Thermochronology is the study of the thermal evolution of a region of a planet. Thermochronologists use radiometric dating along with the closure temperatures that represent the temperature of the mineral being studied at the time given by the date recorded to understand the thermal history of a specific rock, mineral, or geologic unit. It is a subfield within geology, and is closely associated with geochronology.
熱年代學（英語：Thermochronology）是研究一個區域的熱演化歷史。利用放射性定年法及子体的封闭温度，來測定一序列標本的年代及其相對溫度。 一般熱年代學的需要研從一個區域采取不同地點的多樣岩石樣本。例如從陡峭峽谷、懸崖面或斜坡的斷面上，采取一系列樣本。 然後鑒定其礦物中的放射性子体達到封闭温度的深度和時間。根據這些資料，就可推算該岩石的構造演變歷史。 裂变径迹年代测定是用於熱年代學最常見的放射性定年法。利用的礦物包括鋯石、磷灰石、鈦鐵礦、天然玻璃和其他富含鈾的礦物。 其他定年法包括在磷灰石中的鉀-氬.和氬-氬的定年法，以及在鋯石和磷灰石的(鈾-釷)/ 氦定年法。
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).