Trondhjemite and Marl Definition

Definition of Trondhjemite and Marl

The general Trondhjemite and Marl definition can be stated as: 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.. On the other hand, Marl is an unconsolidated sedimentary rock consisting of clay and lime. Along with definition of Trondhjemite and Marl, get to know about Properties of Trondhjemite and Marl. Get to know more information about Trondhjemite and Marl origin and discoverer, etymology and class.

History of Trondhjemite and Marl

The history of Trondhjemite and Marl 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.

Trondhjemite and Marl Origin and Discoverer

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

Etymology of Trondhjemite and Marl

Along with Trondhjemite and Marl definition, know more about the etymology of Trondhjemite and Marl. Etymology of Trondhjemite and Marl gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Marl. The etymology of Trondhjemite is From Trondheim, Norway while that of Marl is From Trondheim, Norway. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trondhjemite belongs to Igneous Rocks while Marl belongs to Sedimentary Rocks. The sub-class, group and other categories of Trondhjemite and Marl are listed below.

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

For Marl,

• Sub-class: Durable Rock and Soft Rock
• Group:
• Other Categories: Fine grained rock and Opaque rock