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Geology is the study of the Earth itself. But contrary to popular belief, geologists don't just look at rocks all day. Of course rocks are important to study, but geologists also study earthquakes, volcanoes, glaciers, and the structure of the Earth from the crust all the way to the core. What kinds of techniques do they use, and what have they discovered? Let's find out together in this geology series!

Professor Dave Explains

7:41

Introduction to Geology

Professor Dave Explains

11:11

History of the Earth Part 1: Hadean, Archean, and Proterozoic Eons

Professor Dave Explains

4:54

History of the Earth Part 2: Phanerozoic Eon – Paleozoic Era

Professor Dave Explains

7:21

History of the Earth Part 3: Phanerozoic Eon – Mesozoic Era

Professor Dave Explains

5:44

History of the Earth Part 4: Phanerozoic Eon – Cenozoic Era

Professor Dave Explains

8:31

Overview of Geologic Structures Part 1: Rock Deformation, Stress and Strain

Professor Dave Explains

10:09

Overview of Geologic Structures Part 2: Faults and Folds

Professor Dave Explains

10:08

An Overview of Earth’s Layers

Professor Dave Explains

11:30

Earthquakes and Seismology in Earth’s Interior

Professor Dave Explains

9:15

The Development of Plate Tectonics

Professor Dave Explains

10:00

The Wilson Cycle and Plate Boundaries

Professor Dave Explains

5:37

The Layers of the Ocean

Professor Dave Explains

9:41

Composition of Oceanic Crust Part 1: Topography and Types of Sediments

Professor Dave Explains

5:54

Composition of Oceanic Crust Part 2: Pillow Lava, Dikes, Gabbro, and Peridotite

Professor Dave Explains

7:59

The Composition of Rocks: Mineral Crystallinity and Bonding Types

Professor Dave Explains

7:59

Macroscopic Characteristics of Minerals Part 1: Luster and Color

Professor Dave Explains

5:16

Macroscopic Characteristics of Minerals Part 2: Cleavage and Hardness

Professor Dave Explains

8:12

The 8 Classes of Minerals Part 1: Native Elements, Oxides, Halides, and Sulfides

Professor Dave Explains

6:28

The 8 Classes of Minerals Part 2: Carbonates, Sulfates, and Phosphates

Professor Dave Explains

8:43

Types of Silicates Part 1: Orthosilicates, Disilicates, and Cyclosilicates

Professor Dave Explains

12:06

Types of Silicates Part 2: Inosilicates, Phyllosilicates, and Tectosilicates

Professor Dave Explains

10:35

Origin of Igneous Rocks

Professor Dave Explains

5:37

Classification of Igneous Rocks: Intrusive vs. Extrusive

Professor Dave Explains

8:26

Characteristics of Sedimentary Rocks: Size, Provenance, and Composition

Professor Dave Explains

5:54

Mineralogy of Sedimentary Rocks: Weathering and Diagenesis

Professor Dave Explains

14:43

Classification of Sedimentary Rocks Part 1: Terrigenous/Siliciclastic Rocks

Professor Dave Explains

18:11

Classification of Sedimentary Rocks Part 2: Biogenic Rocks

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8:41

Classification of Sedimentary Rocks Part 3: Chemogenic Rocks

Professor Dave Explains

6:01

Origin of Metamorphic Rocks

Professor Dave Explains

10:46

Types of Metamorphism: Low P/T, Medium P/T, and High P/T

Professor Dave Explains

4:20

The Rock Cycle

Professor Dave Explains

4:01

Physical Weathering Processes

Professor Dave Explains

6:53

Chemical Weathering Processes

Professor Dave Explains

9:07

Weathering Environments Part 1: Fluvial Processes

Professor Dave Explains

5:43

Weathering Environments Part 2: Aeolian Processes

Professor Dave Explains

6:57

Weathering Environments Part 3: Glacial Processes

Professor Dave Explains

6:21

Methods of Dating the Earth Part 1: Relative Dating

Professor Dave Explains

9:39

Methods of Dating the Earth Part 2: Absolute Dating (Radiometric Dating)

Professor Dave Explains

15:02

Volcanoes: Formation, Types, and Activity