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What does hypabyssal mean?

Looking for the meaning or definition of the word hypabyssal? Here's what it means.

Adjective
  1. (geology, of rock) that solidifies, as a minor intrusion, before reaching the Earth's surface
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Hypabyssal rocks are less common than plutonic or volcanic rocks and often form dikes, sills, laccoliths, lopoliths, or phacoliths.
Weights of the upper crater zone and lower hypabyssal zone portions of this sample were not published.
Some intrusive rocks solidified in fissures as dikes and intrusive sills at shallow depth and are called subvolcanic or hypabyssal.
The geology of the Victor kimberlite is complex, comprising both crater facies and hypabyssal facies kimberlite.
Photo: Polished slab of fresh hypabyssal Peddie kimberlite.
The Triple B kimberlite consists of several different phases: hypabyssal kimberlite, dark green fragmental volcaniclastic kimberlite, and its highly altered light green equivalent.

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