Plutonic Definition & Meaning - Merriam-Webster
The meaning of PLUTONIC is formed by solidification of magma deep within the earth and crystalline throughout. How to use plutonic in a sentence.
Plutonism - Wikipedia
Plutonism is the geologic theory that the igneous rocks forming the Earth originated from intrusive magmatic activity, with a continuing gradual process of weathering and erosion wearing away rocks, which were then deposited on the sea bed, re-formed into layers of sedimentary rock by heat and pressure, and raised again.
3.6: Igneous Rocks - Geosciences LibreTexts
There are two main types of igneous rocks: (1) plutonic (intrusive) rocks, which form by solidification of molten rock deep within the earth, and (2) volcanic (extrusive) rocks, which solidify from molten rock erupted to the surface.
8.6: Igneous Rock Formation: Plutonic vs Volcanic
A plutonic rock is also called an intrusive rock as it is derived from magma that intruded the rock layers but never reached the earth’s surface. If magma does manage to reach the earth’s surface, it is no longer insulated by the rocks around it and will, therefore, cool rapidly.
Plutonic Rocks: Definition and Examples - ThoughtCo
2019年1月10日 · Plutonic rocks are igneous rocks that solidified from a melt at great depth. Magma rises, bringing minerals and precious metals such as gold, silver, molybdenum, and lead with it, forcing its way into older rocks.
Igneous rocks: intrusive (plutonic) versus extrusive (volcanic) …
2024年3月10日 · When magma never reaches the surface and cools to form intrusions (dykes, sills etc) the resulting rocks are called plutonic. Depending on their silica content, they are called (in ascending order of silica content) gabbro, diorite, granite and pegmatite.
Igneous rock - Plutonic, Classification, Rocks | Britannica
2024年10月9日 · Igneous rock - Plutonic, Classification, Rocks: A plutonic rock may be classified mineralogically based on the actual proportion of the various minerals of which it is composed (called the mode).
What are igneous rocks? | U.S. Geological Survey - USGS.gov
Igneous rocks are divided into two groups, intrusive or extrusive, depending upon where the molten rock solidifies. Intrusive, or plutonic, igneous rock forms when magma is trapped deep inside the Earth. Great globs of molten rock rise toward the surface.
Plutonic rock Definition & Meaning - Merriam-Webster
The meaning of PLUTONIC ROCK is an igneous rock (as granite) of holocrystalline granular texture regarded as having solidified at considerable depth below the surface.
Plutonic, adj. & n. meanings, etymology and more | Oxford …
There are three meanings listed in OED's entry for the word Plutonic. See ‘Meaning & use’ for definitions, usage, and quotation evidence.