Facebook
Instagram
Twitter
Youtube
Sign in
Join
Home
Branches
Engineering Geology
Field Methods
Geophysics
Historical Geology
Hydrogeology
Earth Interior
Geologic Time Scale
Plate Tectonics
Gallery
Geologic Lists
Geological Wonders
Lists
Geological Wonders
Videos
Rocks
Igneous Rocks
Extrusive Igneous Rocks
Intrusive Igneous Rocks
Metamorphic Rocks
Foliated Metamorphic Rocks
Igneous Rocks
Sedimentary Rocks
Metamorphic rocks
Minerals
Borate minerals
Carbonates Minerals
Halide Minerals
Mineraloid
Native Mineral
Physical Properties
Optical Properties
Gemstones
Disasters
Avalanche
Earthquakes
Landslides
Tsunamis
Volcanic Eruption
Forum
Sign in
Welcome!
Log into your account
your username
your password
Forgot your password?
Privacy Policy
Sign up
Welcome!
Register for an account
your email
your username
A password will be e-mailed to you.
Privacy Policy
Password recovery
Recover your password
your email
Search
Sign in / Join
Contact
Privacy Policy
Register
Facebook
Instagram
Twitter
Youtube
Sign in
Welcome! Log into your account
your username
your password
Forgot your password? Get help
Create an account
Privacy Policy
Create an account
Welcome! Register for an account
your email
your username
A password will be e-mailed to you.
Privacy Policy
Password recovery
Recover your password
your email
A password will be e-mailed to you.
Geology Science
Home
Branches
Abalone Shell
Soil Composition and Types
Limestone Formation and Carbonate Platforms
Karst Topography and Cave Formation
Erosion, Weathering, and Soil Formation: The Natural Cycle of Rock Breakdown and Soil Creation
All
Engineering Geology
Field Methods
Geophysics
Historical Geology
Hydrogeology
Earth Interior
Geologic Time Scale
Plate Tectonics
Gallery
Lechuguilla Cave: Sulfuric Acid Speleogenesis and Unique Formations
Pfeiffer Beach, USA: A Geological Marvel and a Tourist Haven
Pictured Rocks, Michigan
Blyde River Canyon, South Africa
Jeita Grotto: A Geological Marvel in Lebanon
All
Geologic Lists
Geological Wonders
Lists
Geological Wonders
Videos
Rocks
Tufa
Marston Marble
Lava Stone
Tiger Iron
Boji Stones (Shaman Stones)
All
Igneous Rocks
Extrusive Igneous Rocks
Intrusive Igneous Rocks
Metamorphic Rocks
Foliated Metamorphic Rocks
Igneous Rocks
Sedimentary Rocks
Metamorphic rocks
Minerals
Hemimorphite
Aquamarine
Benitoite
Pezzottaite
Aegirine
All
Borate minerals
Carbonates Minerals
Halide Minerals
Mineraloid
Native Mineral
Physical Properties
Optical Properties
Gemstones
Disasters
10 Most Deadliest Earthquakes in Earth History
Mount Ruang
Causes of Volcanic Eruptions
Types of Volcanic Eruptions
Tsunami Warning Systems and Preparedness
All
Avalanche
Earthquakes
Landslides
Tsunamis
Volcanic Eruption
Forum
Home
Tags
Some of the largest sinkholes in the world are
Tag: Some of the largest sinkholes in the world are
Sinkhole
11/03/2022
3,428
Fans
Like
23,136
Followers
Follow
2,330
Subscribers
Subscribe
Obsidian: Nature’s Volcanic Glass – From Arrowheads to Skincare
30/04/2025
Hematite: The Bloodstone – Its Geological Origins and Ancient Ritual Significance
29/04/2025
Pyrite: Fool’s Gold or Something More?
28/04/2025
Bismuth Crystals: The Rainbow Metal – Where Art Meets Science
25/04/2025
Petrified Wood: When Trees Turn to Stone – The Science Behind...
24/04/2025
