neoblastic

adj

1. (not-comparable)Constituting or pertaining to a new growth, as of tissue.
2. (not-comparable)Descriptive of a crystal, or a mineral species in metamorphic rock, formed more recently, by recrystallization, than others in the same rock.

   “The neoblast-bearing sample was taken from a heterogeneous, lithic clast–rich igneous unit associated with the roof rocks of the impact melt sheet, making this the first time a crater has been dated using neoblastic zircon from the upper part of its stratigraphy.”