basaltic
/bə'sɔ:ltik/
Học thuậtThân thiện
Definition
Adjective: 1. Relating to or containing basalt: Describes something that is of, pertaining to, or composed of basalt, a common dark, fine-grained volcanic rock. - Example: The island's basaltic cliffs were formed by ancient lava flows. 2. Having the properties of basalt: Characteristic of the composition, texture, or appearance of basalt. - Example: The sample had a dense, basaltic texture.
Usage Examples
- Scientific/Geological Context:
- The volcanic eruption produced a large volume of basaltic lava.
- Basaltic soils are often rich in certain minerals.
- Descriptive Context:
- The landscape was dominated by dark, basaltic rock formations.
- They analyzed the basaltic composition of the meteorite.
Advanced Usage
- "Basaltic magma": A specific term in geology referring to magma that is rich in iron and magnesium and low in silica, leading to fluid lava flows.
- Basaltic magma has a lower viscosity than rhyolitic magma.
- "Basaltic crust": Refers to the oceanic crust, which is primarily composed of basalt.
- The basaltic crust is thinner and denser than continental crust.
Variants and Related Words
- Basalt (n): The dark, volcanic rock itself.
- The columnar basalt is a popular tourist attraction.
- Basaltic-andesite (n): A volcanic rock with a composition between basalt and andesite. (This is a compound term listed separately as per instructions).
- Tholeiitic (adj): A specific subtype of basaltic rock composition.
Synonyms
- Mafic (adj): A broader geological term describing rocks or magma rich in magnesium and iron; basalt is a mafic rock.
- Volcanic (adj): Relating to volcanoes or igneous rocks formed from lava. (This is a broader, less specific synonym).
Antonyms
- Felsic (adj): Describing igneous rocks that are light-colored, rich in silica and aluminum (e.g., granite), as opposed to dark, mafic basaltic rocks.
- Granitic (adj): Relating to or composed of granite.
Related Phrases and Terms
- "Basaltic plateau": A large, flat area of land covered by basaltic lava flows.
- The Deccan Traps in India are a massive basaltic plateau.
- "Basaltic glass": A natural glass (like obsidian) formed by the rapid cooling of basaltic lava.
- The edges of the flow were composed of shiny basaltic glass.
Adjective
- of or relating to or containing basalt
- basaltic magma is fluid