angular fragment造句

• I look again across the angular fragments to which I am clinging like Spider-Man himself.
• Much of the lava that erupted has since broken into angular fragments known as breccia.
• In the garbage, the agents picked out the angular fragments of yellow paper-- a Post-It note, torn up and tossed away.
• These are boulder-size, angular fragments of sandy limestone that, apparently, were " ripped up " by strong currents, from existing strata in a submarine environment.
• Sandstones are medium grained rocks composed of rounded or angular fragments of sand size, that often but not always have a cement uniting them together.
• Around the summit of Common Fell it shows areas of hyaloclastite, a rock made up of shattered angular fragments and formed by the quenching of lava in water.
• This formation is composed of angular fragments of many different kinds of parent rock, and it can be seen on the floor of the canyon just south of the parking area.
• His group found that at least the top 10 meters of crater wall is made of volcanic " breccia " _ angular fragments of sand and rock deposited by the last eruption.
• Along the upper ditch lava bowlders are present in the muck from the surface to bedrock, and at a few places the material encountered was composed of angular fragments of lava with only a little soil between them.
• These accessory or adventitious materials, however, as distinguished from the true ashes, tend to occur in angular fragments; and when they form a large part of the mass the rock is more properly a " volcanic breccia " than a tuff.
• S-5-7, from bottom to top : rock bottom of the shelter, 5 " angular fragments, 8 " smooth concretionary limestone fragments mixed with brown dust, 6 " of ash mixed with angular fragments, 10 " of layered gray ( volcanic ? ) ash grading into a layer of brown, 4 " of hard burned guano, 4 " of unconsolidated bat guano, top.
• S-5-7, from bottom to top : rock bottom of the shelter, 5 " angular fragments, 8 " smooth concretionary limestone fragments mixed with brown dust, 6 " of ash mixed with angular fragments, 10 " of layered gray ( volcanic ? ) ash grading into a layer of brown, 4 " of hard burned guano, 4 " of unconsolidated bat guano, top.