4.e
Name three mineral resources that are found in Alabama.
Quartz, Gold and Iron.
what are two main types of igneous rocks based on how they form
Intrusive and extrusive
What're the three main rock types?
Igneous, sedimentary, and Metamorphic.
What are the two main types of weathering?
chemical and physcial
Describe the general characteristics of the Appalachian Mountains and Coastal Plain regions in Alabama.
A complex region of ridges, valleys and limestone.
Describe the texture of plutonic igneous rocks
Crystalline texture
Explain the difference between the cooling rate of magma and the resulting crystal size in igneous rocks.
If the magma cools quickly, the crystals do not have much time to form, so they are very small. If the magma cools slowly, then the crystals have enough time to grow and become large
What is the difference between mechanical and chemical weathering?
mechanical breaks rocks into smaller pieces without changing their composition, while chemical weathering changes the rock's actual minerals
How might the geological diversity of Alabama and the southeastern U.S. impact the types of industries, agriculture, or other economic activities in the region?
By providing the industries with more to build upon, with so much diversity and so many different things to pick it can supply them with tons of jobs and opportunities. Agriculture can become more specialized due to how diverse everything is, which means that some plants may need a very dry environment while others may need a very humid environment.
how does the composition and viscosity of magma affect the resulting texture of igneous rock?
Slow cooling process allows crystals to grow large
Describe how sediments are transported and deposited to form sedimentary rocks.
If the sediment is buried deeply, it becomes compacted and cemented, forming sedimentary rock. Clastic sedimentary rocks may have particles ranging in size from microscopic clay to huge boulders.
Explain how plant root growth can contribute to mechanical weathering.
plant roots grow into existing rock cracks and, as they thicken, exert outward pressure that forces the cracks to widen and eventually split the rock apart
When were the Appalachian Mountains formed?
Explain the key differences between the formation of plutonic and volcanic igneous rocks
Volcanic rocks form when lava cools rapidly on Earth's surface, resulting in small crystals or glassy textures. Plutonic rocks form when magma cools slowly beneath Earth's surface, allowing large, coarse-grained crystals to develop.
Analyze how the mechanical and chemical weathering of igneous rocks can initiate the rock cycle.
Mechanical weathering occurs when water drips or flows over rock for prolonged periods, Chemical weathering occurs when water dissolves minerals in a rock, producing new compounds.
Describe the process of hydrolysis and how it leads to chemical weathering.
as plant roots grow into rock cracks, they thicken and exert enough physical pressure to split the rock apart
What are the three different types of rock?
Sedimentary, Igneous and Metamorphic.
Analize how the location of magma intrusion (surface vs. subsurface) would impact the type of igneous rock forms.
when magma cools deep beneath the Earth's Surface.
Analyze how the rock cycle is influenced by climate change and other long-term environmental factors.
precipitation and temperature
Evaluate the role of gravity in shaping different types of erosional landforms
gravity acts as the primary driver of erosion by pulling water, ice, and sediment downslope, which carves landscapes through river formation, flacial movement, and mass wasting.