Type the letter of each item in the left column by its match on the right, and then click “sutimit” Match each teirm with its best definition
A. Stoping Large, dome-shaped intrusive bodies
C Magmus injected into older rock
B. Stocks Emotacing Blocks ofrocks falling into magma
D. Laccoms A Small imtusive hodes
The Correct Answer and Explanation is :
It seems like you’re trying to match terms related to geology and igneous rock formations. Based on the items you’ve provided, here are the correct matches and explanations:
Matches:
- A. Stopping – D. Laccoliths
- B. Stocks – C. Magmas injected into older rock
- C. Magmas injected into older rock – B. Embracing blocks of rocks falling into magma
- D. Laccoliths – A. Large, dome-shaped intrusive bodies
Explanation
- Stopping and Laccoliths (A – D):
- “Stopping” refers to the process of magma being halted or disrupted in its ascent through the crust. When magma collects between layers of sedimentary rock, it forms a laccolith, which is a dome-shaped body of igneous rock that causes the overlying layers to bulge upwards. Laccoliths are significant because they can create unique geological formations and are typically larger than sills but smaller than batholiths.
- Stocks and Magmas Injected into Older Rock (B – C):
- A “stock” is a type of intrusive igneous rock body that is smaller than a batholith and formed from magma that has intruded into older rocks. Stocks often appear as irregularly shaped masses and can provide important geological insight into the history of volcanic activity in an area.
- Embracing Blocks of Rocks Falling into Magma (C – B):
- The concept of magma embracing blocks of older rock (known as “xenoliths”) highlights the dynamic nature of magma chambers. When magma rises, it can incorporate surrounding rocks, which may become part of the final igneous rock body, altering its mineral composition and providing evidence of the surrounding geological environment.
- Laccoliths and Large, Dome-shaped Intrusive Bodies (D – A):
- As mentioned earlier, laccoliths are large, dome-shaped intrusive bodies formed when magma intrudes between sedimentary layers and forces them to bulge. This process can lead to the creation of mountain ranges and other significant geological features, emphasizing the importance of laccoliths in understanding the formation of the Earth’s crust.
These definitions and matches illustrate the complexity of geological processes and the interplay between different types of igneous formations. Understanding these terms is crucial for anyone studying geology or earth sciences.