Oil shale and Trondhjemite Definition

Definition of Oil shale and Trondhjemite

The general Oil shale and Trondhjemite definition can be stated as: Oil Shale is a fine-grained sedimentary rock from which oil is extracted. On the other hand, Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.. Along with definition of Oil shale and Trondhjemite, get to know about Properties of Oil shale and Trondhjemite. Get to know more information about Oil shale and Trondhjemite origin and discoverer, etymology and class.

History of Oil shale and Trondhjemite

The history of Oil shale and Trondhjemite gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Oil shale and Trondhjemite Origin and Discoverer

Oil shale and Trondhjemite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Oil shale and Trondhjemite. In this section, you will know about Oil shale and Trondhjemite Origin and Discoverer. Origin of Oil shale is Unknown whereas Origin of Trondhjemite is Tonale, Italy. It is interesting to know the name of Oil shale and Trondhjemite discoverer. The discoverer of Oil shale and Trondhjemite are Unknown.

Etymology of Oil shale and Trondhjemite

Along with Oil shale and Trondhjemite definition, know more about the etymology of Oil shale and Trondhjemite. Etymology of Oil shale and Trondhjemite gives information about origin and formation of a particular rock. Know more about Formation of Oil shale and Formation of Trondhjemite. The etymology of Oil shale is From Old English scealu in its base sense of thing that divides or separate while that of Trondhjemite is From Old English scealu in its base sense of thing that divides or separate. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Oil shale belongs to Sedimentary Rocks while Trondhjemite belongs to Igneous Rocks. The sub-class, group and other categories of Oil shale and Trondhjemite are listed below.

For Oil shale,

• Sub-class: Durable Rock and Soft Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock

For Trondhjemite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock