於世界上許多火山岩中合有柘榴石已數見不鮮。關於火山岩中的柘榴石成因,過去學者研究有種種議論,但多以為捕虜變質岩而被火山岩混染之說頗佔優勢。本人於1953年特為研究此間題親往寬甸縣黄椅山採集礦物岩石標本,此柘榴石呈紡錘狀巨晶,實屬罕見。據過去文獻所載,於世界任何地方未曾發現如此情况。茲提出此論文的目 It is not uncommon to find garnets in many volcanic rocks in the world. As for the origin of garnet in volcanic rocks, there are many discussions by scholars in the past, but many believe that the volcanic rocks are predominant in the trapped metamorphic rocks. I was in 1953 for the study of this topic specifically to Huangshan Mountain, Kuandian County collection of mineral rock specimens, this garnet was spindle-shaped giant crystal, it is rare. According to the past literature, no such situation has been found anywhere in the world. This paper presents the purpose of this article