略語大辞典 [Geo] 25 AMC axial magma chamber 軸マグマ溜り. 地殻の隆起部直下にある液状マグマ溜り.axial magma chamber; a small pool of liquid magma along the rise axis of the earth crust; in seismology; [Geo:Phys]. 丸善「略語大辞典」JLogosID : 11865598