Stratigraphy – Geology In

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Principle of Inclusions

The Principle of Inclusions is an important concept in geology used to establish the relative age of rocks and geological fo…

Relative Dating: Principles and Examples

Relative dating is all about figuring out the order in which things happened in the past, without necessarily knowing exactl…

Absolute Dating: Definition, Methods, Examples

Absolute dating methods are indispensable tools in the fields of archaeology, geology, paleontology, and related disciplines…

Uniformitarianism : Definition & Examples

Uniformitarianism is a fundamental principle of geology that states that the same natural laws and processes that operate i…

Grain Size: What is Grain Size and How is It Measured?

Grain size is the average diameter of individual grains (particles) of clastic sediments and rocks. It is also known as th…

Cross-Cutting Relationships

The principle of cross-cutting relationships states that any geologic feature that cuts across, or disrupts another feature …

The Law of Superposition

The Law of superposition, states that the sequence of layers observed in sedimentary rocks marks the time of deposition of …

Strata Sediments in Salta - Argentina

Strata Sediments in Salta - Argentina Stratified sediments in Salta (Argentina) Each layer is generally one of a num…

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