fragmented rock造句

• The original formation does not continue ( under the surface ) and in fact breaks up into fragmented rock.
• In the tundra of the park, layers of topsoil collect on rotten fragmented rock moved by thousands of years of glacial activity.
• Three cirques have eroded there in a sequence of agglomerated, fragmented rock and volcanic breccia associated with pillow-lavas overlain by more coherent, solid lavas.
• Data from seismic and other surveys indicate that below the sediment there are about 50 to 65 m of fragmented rock deposits, and another 50 m of shocked or deformed basement rock.
• The floor is covered with soil, a mix of ash from fires, fine sand, silt, and locally fragmented rock to a depth of approximately 70 centimeters which lies in seven distinct horizontal stratigraphic layers.
• NEAR's instruments have filled in the details : The ground is blanketed with a layer of fragmented rocks and soil as much as 300 feet deep, strewn with a million huge boulders as big as houses, and scarred by a hundred thousand grooves, ridges and craters more than 50 feet wide.