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Questions and Answers
What are the two main types of peat bogs, and how do they differ?
Raised bog and blanket bog. Raised bog forms in depressions, creating dome-shaped peat deposits, while blanket bog extends over large areas and slopes, forming continuous peat layers.
What are the three factors involved in the formation of metamorphic rocks?
Heat, pressure, and time. Heat from nearby magma chambers or deep burial, and pressure from overlying rock layers or tectonic forces, contribute to the transformation of rocks.
What is the parent rock of marble?
Limestone.
How does the parent material influence the type of soil formed?
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What is the difference between glaciation and gleisiation?
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What is the classification of quartzite, shale, and basalt?
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How do limestone and granite compare as parent materials in soil formation?
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How can limestone be identified as a parent material?
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What are the common minerals found in peat bogs in Ireland?
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What role does weathering of rocks play in soil formation?
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Study Notes
Types of Bogs
- Raised bogs form in depressions where rainwater accumulates, creating dome-shaped peat deposits, and are found in cool climates.
- Blanket bogs extend over large areas and slopes, forming continuous peat layers, and are found in areas with high rainfall and low temperatures.
Formation of Metamorphic Rocks
- Metamorphic rocks are formed through the application of heat from nearby magma chambers or deep burial.
- Pressure from overlying rock layers or tectonic forces also contributes to the formation of metamorphic rocks.
Parent Rocks and Metamorphic Rocks
- Marble is formed from limestone.
- Quartzite is formed from sandstone.
Influence of Parent Material on Soil Type
- Parent material determines the mineral composition and nutrient content of soil, influencing its fertility and texture.
Glaciation and Gleisiation
- Glaciation refers to the formation and movement of glaciers over land.
- Gleisiation refers to the movement of ice in mountain areas.
Classification of Rock Types
- Quartzite is a metamorphic rock.
- Shale is a sedimentary rock.
- Basalt is an igneous rock.
Limestone and Granite as Parent Materials
- Limestone forms alkaline soils suitable for agriculture.
- Granite forms acidic soils that are less fertile for agriculture.
Identifying Limestone as a Parent Material
- Limestone can be recognized by its light color, often with visible fossils or marine remnants.
Formation of Peat Bogs in Ireland
- Peat bogs in Ireland are formed from the accumulation of decaying plant material in waterlogged environments.
Minerals of Peat Bogs in Ireland
- Sphagnum moss, heather, and sedges are common minerals found in peat bogs in Ireland.
Minerals Present in Igneous Rocks
- Quartz, feldspar, and mica are common minerals found in igneous rocks.
Weathering and Soil Formation
- Weathering breaks down rocks into smaller particles, releasing minerals that enrich soil.
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Description
Learn about the differences between raised bogs and blanket bogs, and explore the factors involved in the formation of metamorphic rocks.
