mineral tar
Definition
Noun: 1. A thick black tar intermediate between petroleum and asphalt: A naturally occurring, viscous, black hydrocarbon substance. It is heavier and less refined than petroleum but not as solid as natural asphalt. It is often found as a semi-fluid deposit.
Usage Examples
- Noun:
- The geologists discovered a seep of mineral tar in the shale formation.
- Mineral tar was historically used for waterproofing and as a rudimentary binder.
Advanced Usage
- As a geological term: Used to describe a specific type of bitumen or heavy hydrocarbon residue found in certain sedimentary rocks.
- The analysis confirmed the deposit was mineral tar, not conventional crude oil.
Variants and Related Words
- Maltha: A specific type of mineral tar; a thick, viscous petroleum.
- Bitumen: A broader category of viscous, sticky hydrocarbons, which includes substances like mineral tar and asphalt.
- Asphalt: A more solid or semi-solid form of petroleum, often mixed with mineral aggregates for paving.
Synonyms
- Native asphalt
- Earth tar
- Bitumen (in a general sense)
Related Phrases/Compounds
- Mineral tar sand: Sand or sandstone naturally impregnated with mineral tar.
- The region has vast reserves of mineral tar sand.
Notes on Meaning
This is a technical term primarily used in geology, chemistry, and historical contexts. It refers to a specific, naturally occurring state of hydrocarbons, distinguishing it from more refined products like oil or more solid ones like asphalt. It is not a common term in everyday language.
Noun
-
a thick black tar intermediate between petroleum and asphalt
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