Effects on sediments

The remaining 14 is layered with terrigenous sediments.

The mass balance between sediment being transported and sediment in the bed is described by the Exner equation.

This is Riversleigh.

And that alternates with a sediment that looks like this.

This sediment is 100 percent made up of the shells of microscopic plants.

Due to the volcanic nature of the islands, mineral deposits are abundant.

The nitrates come from our own mines, the saltpeter from deposits to the south.

Rivers washed sediment into the seas, until the organic remains of the algae were buried.

Three sheets of sediment have been found on top of the lava that lies below the city and, mixed in with the sediment, archaeologists have found bits of animal bone, pottery shards and plants.

Here the river slows considerably, dropping sediment that might otherwise form a river delta.

Sorting is also a naturally occurring process that results in the concentration of ore or sediment.

Also, due to the rapid solidification, metastable phases can be present in the deposits.

As the trees fell, the fine sediment in which the forest grew protected the plants.

Of these, an even smaller proportion are commercially viable in scale.

We saw these alternations between sediments that look like this there's gravel and cobbles in there and a bunch of sand.

The wind transports dust and other particles which erodes the relief and leaves deposits (eolian processes).

Eventually the sediments were compressed by the weight of the layers above into sedimentary rock.

Over long periods of time, some mercury recombines with sulfur and is buried in sediments.

The Authority should also collect and maintain data and information on costs of production from various deposits.

Lots of evidence from sediment cores and the pollen types, oxygen isotopes and so on.

What we see when we look back in time, in those sediments and rocks, is a record of Earth history.

We saw these alternations between sediments that look like this there's gravel and cobbles in there and a bunch of sand.

Active charcoal carbon filters are most effective at removing chlorine, sediment, volatile organic compounds (VOCs), taste and odor from water.

The Council also recognized the need to monitor the market for the deposits and techniques for mining given technological changes.

Rivers carry sediments hundreds of kilometres, thus affecting downstream activities and contributing to the spread of malaria.

And these plants need sunlight, so we know when we find that sediment there's no ice overhead.

The tar sands are hundreds of square kilometers of bitumen, a viscous and corrosive tarlike deposit.

The pile of debris resulting from the Bonneville Slide blocked the river until rising water finally washed away the sediment.

Aggradation is the term used in geology for the increase in land elevation due to the deposition of sediment.

In addition, if there are discontinuities between layers in the rock or sediment, seismic waves are reflected.

15. In the period 1972 1973, the state Government of Birbhum decided to exploit an extensive stone deposit to stimulate employment.

12. Preliminary chemical analysis provided some indication of wide spread, low level oil contamination of the fine grained sediments.

And we saw about 35 alternations between open water and ice covered water, between gravels and these plant sediments.

Based on these discussions, the Commission considered that, despite the differences in geometry and dimensions of the two types of deposits, estimations of the likely mineable ore indicated that the total exploration area should be the same for each deposit.

For six days, more than 100 earthquakes clustered around Mount St. Helens, an indication that magma was moving.

We go out for months at a time and drill into the sea bed to recover sediments that tell us stories of climate change, right.

It doesn't matter what kind of sediment you're using to grind up, whether it's bacteria or any other plants or animals.

Aggradation occurs in areas in which the supply of sediment is greater than the amount of material that the system is able to transport.

The analysis revealed there was only one layer of impact debris in the sediment, which indicated there was only one impact.

And all the sediment is then put through these screens, and where we go again through it very carefully,

North of 50 south latitude, 86 of the main basin is covered by pelagic sediments, of which more than half is globigerina ooze.

Constrictions at several places caused the floodwaters to pool into large temporary lakes, such as Lake Lewis, in which sediments were deposited.

The dry deposition was in the form of gaseous pollutants and soot particles containing heavy metals and polycyclic aromatic hydrocarbons, including benzoapyrene, which is a known carcinogen.

According to Syria, the wet deposition might have included acidic components, ionic components, soluble metals, elemental carbon and soluble organic fractions.