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Horizon A
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What is horizontal bedding?
horizontal bedding is sedimentary rock structure in which layers of rocks lies horizontally.
What is a block of rock that lies below the plane of a fault?
Foot wall
How many layers are there in the earth's crust?
The crust alone contains millions of different layers of sedimentary rock. For the layers of the Earth, some of which are rock and some of which are not, see the related link below.
Of the three main types of rock which tends to be hardest?
Least likely to break from fracture, generally speaking, would be unweathered igneous rock.
What can she infer about the ages of the two rock layers?
That the one below the other is generally older.
Solid unweathered rock that lies beneath the regolith?
It is the bedrock.
Which is stronger weathered rock or unweathered rock?
Unweathered rock.
Is unweathered rock that underlies. Soil subsoil?
No it is definitely not.
Which is the youngest in a sereis of undisturbed rock layers where shale lies between sandstone below and limestone above?
Limestone is the youngest since it's at the top
Are the layers of rock above and below the coal older or younger?
Every layer of rock, as one moves up from the core, is younger than the one below it. This means that the layers of rock above and below the coal are different ages, with the one above younger and the one below older.
Why would newer rock layers ever be below older rock layers?
Due to faulting or folding.
What types of fault is formed when plates diverge or pull apart?
Tension in Earth's crust pulls rock apart, causing hanging walls. In a normal fault, the fault is at an angle, so one block of rock lies above the fault while the other block lies below the fault. The block of rock that lies above is called the hanging wall. The rock that lies below is called the footwall.
How does sedimentary rock form from its unweathered parent rock?
Five steps: weathering, erosion transportation, deposition, and lithification
What is horizontal bedding?
horizontal bedding is sedimentary rock structure in which layers of rocks lies horizontally.
What lies below the layer of soil?
solid rock baby
Are layers of rock above and below the coal or older and younger?
Every layer of rock, as one moves up from the core, is younger than the one below it. This means that the layers of rock above and below the coal are different ages, with the one above younger and the one below older.
What is a block of rock that lies below the plane of a fault?
Foot wall
