安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Amygdule - Wikipedia
Rocks containing amygdules can be described as amygdaloidal The word is derived from the Latin word amygdala, meaning "almond tree", and the Greek word αμυγδαλή, meaning "almond" – reflecting the typical shape of an infilled vesicle
- What Are Amygdales and Amygdaloidal Rocks | Earth Know
Amygdala means almonds since these mineral-filled vesicles resemble almonds Rocks or lavas with amygdales are said to be amygdaloidal Common examples are basalt, basaltic andesite, and andesite However, they can occur in other rocks, too, including rhyolite
- ALEX STREKEISEN-Amygdales-
Amygdules or amygdales form when the gas bubbles or vesicles are infilled with a number of different secondary mineral, depending on the groundwater chemistry and the physical conditions underground The word is derived from the Latin ("amygdala") words for almond, reflecting the typical shape of an infilled vesicle
- AMYGDALOIDAL Definition Meaning - Merriam-Webster
The meaning of AMYGDALOIDAL is of, being, or containing small cavities in igneous rock that are filled with deposits of different minerals (such as chalcedony)
- Vesicular and Amygdaloidal Textures - University of Pittsburgh
Amygdaloids are simply vesicles that have been filled in with a secondary mineral long after the flow cooled Such secondary minerals are commonly white: quartz, calcite, or zeolite (A secondary mineral is one that formed after the rock originally formed ) This is a fine example of a vesicular basalt
- Amygdala: Anatomy, location, functions, pathways | Kenhub
Within the temporal lobes, medial to the hypothalamus and adjacent to the hippocampus and inferior (temporal) horn of the lateral ventricle
- Amygdaloidal Agate : Properties, Formation, Uses - Geology Science
Amygdaloidal agate is a specific type of agate that forms within the voids or cavities of volcanic rocks These voids, often created by gas bubbles in the lava, are called "amygdales" or "vesicles "
- Amygdaloidal Minerals - Michigan Technological University
Using a canoe or small boat, watershoes and plenty of time, walk the shore and watch for veins and amygdaloids Observe the interiors of basalt flows where vesicle cylinders, pegmatites, joints and veins may expose these distinctive minerals (see diagram)
|
|
|