本論文之研究對象為位於阿拉伯板塊與歐亞大陸板塊陸-陸碰撞造山帶中之 亞美尼亞新生代兩期火成岩，藉由地球化學之主量元素、微量元素及鍶釹同位素 分析，以及全岩氬-氬定年、鋯石鈾-鉛定年，探討前後兩期火成岩的地球化學特性 和岩石成因，並與此碰撞造山帶(Caucasus-Iran-Anatolia = CIA 地區)中 11 Ma 以來 的碰撞後火成岩做比較，綜合探討 CIA 地區之岩漿活動與地體構造演化。本研究
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安納托利亞經亞美尼亞至大高加索地區以及伊朗之 Sahand 及 Sabalan 火山，
形成向東北逐漸年輕的噴發趨勢。
6. CIA 超鉀質岩具有相對富集的鍶釹同位素組成，為含金雲母礦物相的富集岩石 圈地函發生小程度部份熔融形成；CIA 埃達克岩之鍶釹同位素組成與其他碰撞 後鈣鹼性岩石無異，為增厚的基性底侵下地殼熔融形成。下地殼之基性底侵與 岩石圈地函之交代富集，均與碰撞前的島弧岩漿活動有關。
7. CIA 地區碰撞後岩漿活動始於 11 Ma 左右，最主要的高鉀鈣鹼性岩漿活動具有 先向南再向東遷移的時空變化趨勢，解釋為在碰撞起始地區‐東安納托利亞之 下的新特提斯洋板塊先向南退卻(slab roll‐back)、接著向東撕裂(tear migration, 約自 6 Ma 開始)、最後拆解(slab break‐off, 約自 2 Ma 開始)的結果。上述地體 構造的改變導致軟流圈的上湧和岩石圈的熱侵蝕、造成岩漿活動的廣泛分布與 時空變化。
8. CIA 西南部的火山活動在 2 Ma 之後終止，推測可能是受到該地區岩石圈增厚 的抑制，增厚的機制除了和碰撞相關的構造增厚之外，可能還包含新的岩石圈 地函形成，後者為早期碰撞後岩漿活動在軟流圈頂部的熔融殘餘、具有耐熔的 特性。
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