There are lots of tools that can be used to break rock surfaces; generally these are hammers and axes of various sorts. A pneumatic drill would also work.
Fracturing increases the surface area of a rock exposed to weathering.
Magma that reaches the surface it is called lava.Molten rock from the Earth's interior that breaks through to the surface is called lava
the poin beneath earth's surface where rock breaks under stress and triggers an earthquake is called the
Magma that reaches the surface it is called lava.Molten rock from the Earth's interior that breaks through to the surface is called lava
the way in which the forces are applied to a rock
The point beneath the surface where rock breaks and an earthquake is produced is known as the focus or hypocenter. This is the location where the seismic energy is first released during an earthquake. The point directly above the focus on the Earth's surface is called the epicenter.
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The combination of weathering and erosion exposes buried rock at the Earth's surface. Weathering breaks down the rock into smaller pieces, while erosion transports these pieces away, eventually revealing the rock at the surface.
The point beneath the earth's surface where an earthquake originates is called the hypocenter.
The process that breaks down rock above the earths surface are numerous and could be generally reffered to as Exogenous Processes, they include, Weathering, Denudation and Mass-wasting.
Weathering, which is caused by water, ice, wind and sun.
The place on Earth's surface directly above the location where rock breaks during an earthquake is called the epicenter. The epicenter is important because it helps to identify the point on the surface that experiences the strongest shaking and the most intense effects of the earthquake. This term is distinct from the focus, which is the actual underground point where the earthquake originates.