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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
Is a way to determine the age of a fossil by comparing the number of stable isotopes to the number of unstable isotopes using a known half-life?
Radiometric dating. Not of the fossil though, but of the igneous rock above and below the sedimentary rock the fossil lies in.
The Molten rock below the earth's surface are?
molten rock below the surface is called magma
Which rock below is a sedimentary rock?
Limestone, Sandstone, Shale
When the rock above a cave collapses it forms an?
A shakehole (or sinkhole) - it can form an entrance to the cave, or block it entirely. Also swallow hole. It's important to realise that the existence of a shakehole does not necessarily mean an enterable cave lies below: the dissolved carbonate rock below may have been carried away in a multitude of fine conduits as in chalk, rather than a discreet passage.
What is unweathered rock that lies below soil layers?
Horizon A
Is unweathered rock that underlies. Soil subsoil?
No it is definitely not.
Solid unweathered rock that lies beneath the regolith?
It is the bedrock.
Which is stronger weathered rock or unweathered rock?
Unweathered rock.
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 lies below the layer of soil?
solid rock baby
How is bedrock different from subsoil?
Bedrock is rock and lava whereas subsoil just contains plants and dirt
What is a block of rock that lies below the plane of a fault?
Foot wall
What comes after subsoil?
Transitional soil or parent rock
Rock horizons in order?
A - Topsoil B - Subsoil C - Weathered Rock Bedrock
What type of fault is formed when plates diverge or 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.
