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During the Pennsylvanian time period, there was a lot of volcanic activity and these constituted a lot of rock formation. Volcanic ashes also settled on the earth's surface and buried some trees.

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How is obsidian made?

Obsidian is formed from volcanic activity when lava cools rapidly with minimal crystal growth. The rapid cooling prevents crystals from forming, resulting in a smooth, glass-like texture. It is usually found near volcanic areas or past volcanic activity sites.


Where is the most common place can you find pumice?

Pumice is commonly found near volcanic areas or where there has been past volcanic activity. It can be found in regions with active volcanoes, volcanic islands, or near volcanic ash deposits.


Is it true that every mountain used to be a volcano?

No, not every mountain used to be a volcano. Mountains can form through various geological processes such as tectonic plate movement, erosion, and uplift, besides volcanic activity. Volcanic mountains specifically form from volcanic eruptions and the subsequent accumulation of volcanic materials like lava, ash, and debris.


A place with lots of volcanic activity?

A place known for its volcanic activity is the Ring of Fire, which encircles the Pacific Ocean and includes countries like Japan, Indonesia, and the United States. This region is home to a large number of active volcanoes and experiences frequent earthquakes as well. Visitors can witness volcanic eruptions and geothermal features in areas like Hawaii, Iceland, and New Zealand.


What impact does volcanic activity have on the atmosphere?

Volcanic activity can release ash, gases, and aerosols into the atmosphere. These can have short-term cooling effects by blocking sunlight, but certain gases like sulfur dioxide can also contribute to the formation of acid rain and affect air quality. Additionally, volcanic eruptions can inject greenhouse gases like carbon dioxide into the atmosphere, contributing to long-term warming.

Related Questions

How did earth look like in the pennsylvanian period?

Warm and rainy. Mostly covered in coal forests.


Did dinosaurs roam the lands during the pennsylvanian period?

No, dinosaurs did not roam the lands during the Pennsylvanian Period. The Pennsylvanian Period occurred from approximately 323 to 298 million years ago, while dinosaurs first appeared much later in the Triassic Period, around 230 million years ago. During the Pennsylvanian Period, the dominant land animals were early amphibians and reptiles, along with a diverse array of plant life.


Why did Australia have volcanic activity even though it is not located on a plate edge?

Australia's volcanic activity is due to the presence of a hot spot beneath the Earth's crust. This hotspot, located in the southeast of Australia, has caused volcanic activity in the past. The volcanic activity in Australia is not related to plate tectonics like the Ring of Fire, where most volcanic activity occurs.


Does Iceland have volcanic activity regularly?

Yes, Iceland has volcanic activity every five years or so on average. It's just mild activity and rarely is it anything like what Eyjafjallajokull has been.


Essential life materials like nitrogen and carbon are exchanged and recycled through?

Volcanic activity.


What is the device used to predict volcanoes?

A seismometer is commonly used to predict volcanic eruptions. It measures the seismic activity below the surface, which can indicate movement of magma and potential volcanic activity. Other devices like tiltmeters and gas sensors are also used to monitor changes in volcanic activity.


What did the earth's surface look like during the Pennsylvanian period?

During the Pennsylvanian period, the Earth's surface was characterized by vast swampy areas filled with lush vegetation, including ferns, trees, and giant horsetails. These swamps eventually led to the formation of coal deposits that are still mined today. The climate was warm and humid, with shallow seas covering some areas.


What happened during the Pennsylvanian period?

One is that the first reptiles (not dinosaurs!) appeared. The land during this peiod was swamp-forests.


What type of scientist studies volcanos?

A volcanologist is a scientist who studies volcanoes, their eruptions, and related phenomena like lava flows and volcanic gases. They seek to understand volcanic processes, monitor volcanic activity to predict eruptions, and assess the impacts of volcanic events on the environment and people.


What do people notice before a volcanic explosion?

Before a volcanic explosion, people may notice increased seismic activity, such as earthquakes and ground shaking, as well as changes in gas emissions and volcanic deformation, like swelling of the volcano. Other signs include increased volcanic activity, such as eruptions of ash, gas, and lava flows.


How is obsidian made?

Obsidian is formed from volcanic activity when lava cools rapidly with minimal crystal growth. The rapid cooling prevents crystals from forming, resulting in a smooth, glass-like texture. It is usually found near volcanic areas or past volcanic activity sites.


What is volcanic fallout?

Basically it is a fallout but with high dangers of volcano activity EVERWHERE just like bombing with radiation and have to go to fine material that is volcanic proof to live