GEO GIRL Courses

Metamorphism of Basalt and Gabbro - Metabasite Mineral Assemblages

Explore mineral assemblage transitions in metamorphosed basalt and gabbro across various pressure-temperature conditions, from greenschist to eclogite facies, with detailed explanations of key minerals and textures.

• YouTube
• 32 minutes
• Self-Paced
• Free Video

Early Cenozoic Life - Megalodon Roamed, Mammals Go Back to Sea, Huge Birds Hunt Horses

Explore the Early Cenozoic: megalodon sharks, walking whales, giant birds, and the rise of mammals. Discover how climate change and evolving grasslands shaped Earth's ecosystems and animal diversity.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

Paleocene-Eocene Thermal Maximum to Eocene-Oligocene Cooling - GEO GIRL

Explore Earth's dramatic climate shifts from the Paleocene-Eocene Thermal Maximum to the Eocene-Oligocene cooling, examining their causes, effects on life, and lasting impact on our planet's environment.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

Evolution of Photosynthesis - Were Anoxygenic or Oxygenic Phototrophs First?

Explore the evolution of photosynthesis, from early anoxygenic phototrophs to oxygen-producing cyanobacteria, and how this process transformed Earth's atmosphere and life forms over billions of years.

• YouTube
• 23 minutes
• Self-Paced
• Free Video

How to Identify Metamorphic Rocks in Thin Section and Hand Sample - GEO GIRL

Learn to identify metamorphic rocks in hand samples and thin sections. Explore marble, quartzite, phyllite, schist, amphibolite, eclogite, gneiss, serpentinite, slate, and soapstone. Gain practical skills in rock identification and microscopy.

• YouTube
• 37 minutes
• Self-Paced
• Free Video

The Ultimate Guide to Sedimentary Structures - Sed Strat - GEO GIRL

Comprehensive exploration of sedimentary structures, including laminations, cross-bedding, ripples, and more. Covers formation processes, depositional environments, and geological significance of various structures.

• YouTube
• 29 minutes
• Self-Paced
• Free Video

Chemical Sedimentary Rock Textures - Cement, Replacement, Veins, Oolites

Explore crystalline textures in sedimentary rocks, including cement, replacement, veins, and oolites. Learn terminology, formation processes, and how to determine relative ages of chemical precipitates in rocks.

• YouTube
• 22 minutes
• Self-Paced
• Free Video

Fabric, Porosity, & Permeability of Detrital Sediment - Gravel, Sand, Shale, & Limestone

Explore sedimentary rock fabrics, focusing on apposition fabrics in gravel, sand, shale, and limestone. Learn about porosity, permeability, and factors affecting sediment properties in various depositional environments.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

Metamorphic Petrology - Types of Metamorphism, Protoliths, Textures, and Classification

Comprehensive overview of metamorphic petrology, covering types, protoliths, textures, and classification. Ideal for geology students seeking in-depth understanding of metamorphic rock formation and analysis.

• YouTube
• 27 minutes
• Self-Paced
• Free Video

Classification of Clastic Sedimentary Rocks Based on Grain Size - Sed Strat - GEO GIRL

Comprehensive guide to classifying clastic sedimentary rocks by grain size, covering sediment classes, rock types, and the impact of transport and diagenesis on grain characteristics and rock properties.

• YouTube
• 20 minutes
• Self-Paced
• Free Video

Life in Oxic, Suboxic, and Anoxic Sediments - Yes, Some Life Doesn't Require Oxygen!

Explore microbial life in sediment layers, from oxygen-rich to oxygen-free zones. Learn about diverse metabolic processes and their impact on organic matter decomposition in marine and freshwater environments.

• YouTube
• 29 minutes
• Self-Paced
• Free Video

Composition, Texture, and Classification of Sedimentary Rocks - Sed Strat 1

Explore sedimentary rock formation, classification, and characteristics. Learn about clastic, chemical, and biogenic types, textures, structures, and diagenesis effects on rock properties.

• YouTube
• 24 minutes
• Self-Paced
• Free Video

Organic Carbon Burial and Diagenesis - How Much Organic Carbon Is Actually Preserved?

Explore organic carbon burial and diagenesis in marine sediments, from production to preservation. Learn about microbial degradation, sediment reactions, and the surprisingly small fraction of carbon ultimately preserved.

• YouTube
• 27 minutes
• Self-Paced
• Free Video

Where and How Microbial Mats Form, Types of Mats, and Biosedimentary Structures - GEO GIRL

Explore microbial mats: formation, types, and biosedimentary structures. Learn about their unique layering, environments, and preservation in geological records.

• YouTube
• 26 minutes
• Self-Paced
• Free Video

Bioleaching - Mineral-Dissolving Bacteria Help Us Obtain Valuable Metals but Produce AMD

Explore microbial metal oxidation, bioleaching techniques, and environmental impacts of biomining. Learn about acid mine drainage, heap leaching, and biooxidation for extracting valuable metals like gold.

• YouTube
• 24 minutes
• Self-Paced
• Free Video