Posted on April 16, 2022 (Updated on July 9, 2025)
What are the causes of ground subsidence?
Natural EnvironmentsSubsidence – sinking of the ground because of underground material movement—is most often caused by the removal of water, oil, natural gas, or mineral resources out of the ground by pumping, fracking, or mining activities. What are effects of ground subsidence? Subsidence causes permanent inundation of land, aggravates flooding, changes topographic gradients, ruptures the land
Posted on April 16, 2022 (Updated on July 9, 2025)
Which is the best definition for the term Taphonomy?
Natural EnvironmentsDefinition of taphonomy : the study of the processes (such as burial, decay, and preservation) that affect animal and plant remains as they become fossilized also : the processes themselves. What is taphonomy in anthropology? The term taphonomy was originally used to refer to the processes through which organic remains mineralize, also known as fossilization.
Posted on April 16, 2022 (Updated on July 9, 2025)
How was Kostal cone formed?
Natural EnvironmentsKostal Cone is made of fragmented and solidified lava called cinder and its summit contains a bowl-shaped crater. Kostal’s cinders were ejected by lava fountain eruptions and accumulated around the volcano’s vent in the shape of a cone when they fell back around its surroundings. How is a volcanic cone created? They are built from
Posted on April 16, 2022 (Updated on July 9, 2025)
How did the Appalachian Mountains affect the development of the United States?
Natural EnvironmentsThe Appalachian Mountains start between southeastern Canada, and Maine in the Untied States, and finish in central Alabama. During colonial America, the mountain range acted as a barrier separating the East Coast colonies from the Midwest frontier. Why are the Appalachian Mountains important? The mountains have played an important role in the history and economic
Posted on April 16, 2022 (Updated on July 9, 2025)
What happens during Permineralization?
Natural EnvironmentsPermineralization is one of the ways in which a plant or animal can be turned into a fossil. During this process, mineral rich water seeps into the void spaces of an organism, leaving deposits of minerals behind that slowly build up, creating a cast of the organism. What occurs in permineralization? Permineralization, a type of
Posted on April 16, 2022 (Updated on July 9, 2025)
What does graded bedding mean?
Natural EnvironmentsWhat does normally graded bedding indicate? Normally graded beds generally represent depositional environments which decrease in transport energy (rate of flow) as time passes, but these beds can also form during rapid depositional events. What is the difference between graded bedding and cross-bedding? What is the difference between cross-bedding and graded bedding? Cross-bedding occurs when