Autointrusion

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  1. A process wherein the residual liquid of a differentiating magma is injected into rifts formed in the crystallized fraction at a late stage by deformation of unspecified origin. Syn: autoinjection
  2. Sedimentary intrusion of rock material from one part of a bed or set of beds in process of deposition into another part. AGI
    Source: Dictionary of Mining, Mineral, and Related Terms


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