Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
7 Cards in this Set
- Front
- Back
|
3 steps in formation of sedimentary rock |
Layers of sediment laid down in lakes or seas get buried fluids flowing through pores deposit natural mineral cement E.G limestone and Chalk |
|
|
Metamorphic Rocks |
Formed by action of heat and Pressure E.G Marble is melted from limestone and chalk. It reforms as crystals. |
|
|
Igneous Rocks |
Molten magma pushes through the crust before cooling and solidifying they contain interlocking crystals. Intrusive- makes BIG crystals and cools over time E.G Granite Extrusive- makes small Crystals and cools quickly E.G basalt |
|
|
Limestone as a building material |
Formed from sea shells
causes environmental problems- has to be quarried Used for cathedrals Road Surfaces Acid rain is BIG problem |
|
|
Other Uses of Limestone |
Making Cement Which is then used to make concrete Makes glass |
|
|
Limestone makes a mess |
Quarrying causes huge ugly holes in the ground
Noise and dust is a factor Transportation noises from the lorries and trucks taking it away |
|
|
Positives to Limestone |
Used for Houses, roads, paints, dyes, chemicals Used in power station chimneys to neutralise sulfur dioxide which is a cause of acid rain once quarrying is completed landscaping and restoration is normally required |
