Vulcanian Eruptions Description, Examples and Diagram
Vulcanian eruptions are moderately explosive eruptions characterized by intermittent, short-lived explosions of ash-laden, convoluting dense clouds rising high above vents
Processes
Strombolian eruptions Meaning, Description and Examples
Strombolian eruptions are mildly to moderately explosive eruptions characterized by pulsating or intermitted short-lived, discrete explosions that can go on
Vesuvian or Plinian Eruptions Characteristics, Formation and Examples
Plinian eruptions, also known as Vesuvian eruptions, are the largest, most explosive, powerful, and catastrophic of all volcanic eruptions. They
What Is Physical or Mechanical Weathering and Examples
Physical or mechanical weathering is the breakdown of rocks into smaller pieces, fragments, or grains without much chemical or mineral
What Is Sheeting, Unloading or Exfoliation Weathering
Sheeting, exfoliation, or unloading is a physical weathering process. It happens when deeply buried rocks break into concentric slabs or
Salt Crystal Growth, Wedging, or Salt Weathering
Salt weathering or salt crystal growth is physical or mechanical weathering. It is caused by the growth, expansion, or hydration
What Is Ice or Frost Wedging Weathering?
Ice or frost wedging is a mechanical or physical weathering process. It happens when water repeatedly seeps into rock cracks
Pyroclastic flows or Clouds and Surges Guide
Pyroclastic flows, pyroclastic density currents (PDCs), or pyroclastic clouds are dense, ground-hugging, hot gases laden with volcanic debris racing down
Andesitic Magma Formation and Eruption
Andesitic magma or lava has an intermediate composition with moderate silica content between 57 and 63 wt. %. Its composition
8 Magma and Lava Types and Their Characteristics
Magma refers to hot, molten, or semi-molten rocks under the Earth’s surface, while lava refers to magma that makes it