[permalink] [id link]
Alluvial fans are often found in desert areas subject to periodic flash floods from nearby thunderstorms in local hills.
from
Wikipedia
Some Related Sentences
Alluvial and fans
Alluvial fans exist in all of the world's oceans and seas where river deltas fall off the edge of the continental shelf such as the Mississippi alluvial fan in the gulf of Mexico and the Nile alluvial fan in the Mediterranean Sea.
# Alluvial fans
Alluvial fans, on the other hand, are steep, have coarse-grained sediments ( including boulders ), and are dominated by debris flows and large floods ; these floods are often flash floods.
Alluvial fans are also found on Mars, descending from some crater rims over their flatter floors.
Alluvial fans also develop in wetter climates.
Alluvial fans are subject to flooding and can be even more dangerous than the upstream canyons that feed them.
Alluvial fans are sedimentary areas formed by narrow valley streams that suddenly drop to lowlands and widen dramatically.
Alluvial and are
* Alluvial plains are formed by rivers, and may be one of these overlapping types:
Alluvial materials are those moved and deposited by flowing water.
* Soil: Alluvial and volcanic soils are suitable, with a sloping surface well-suited for best yields.
Alluvial placers are those formed in river or stream sediments.
Alluvial placers are formed by the deposition of dense particles at a site where water velocity remains below that required to transport them further.
The loess deposits found along both sides of the Mississippi River Alluvial Valley are a classic example of periglacial loess.
Alluvial or eluvial deposits sometimes have the largest gold deposit and are very common ( Lawler ).
Alluvial deposits are the most common type of placer gold ( McCracken ).
There are loess deposits found along both sides of the Mississippi River Alluvial Valley are a classic example of periglacial loess.
Alluvial deposits are formed in areas of high relief and are typically coarse-grained.
These are: Working Group of Diamond Experts ( WGDE ), Working Group on Monitoring ( WGM ), Working Group on Statistics ( WGS ), Working Group of Artisanal Alluvial Producers ( WGAAP ).
Alluvial and often
Alluvial gold is regarded as having a high purity and is often found in the coarse form.
Alluvial and desert
* Alluvial desert
* Alluvial desert
* Alluvial desert
Alluvial and areas
Wynne lies at ( 35. 227435 ,-90. 789435 ), the boundary between two distinct geographical areas of Arkansas: the fertile farmland of the Arkansas Delta ( which is a part of the larger Mississippi Alluvial Plain ), and Crowley's Ridge, a distinct rise marking the New Madrid Fault Line.
* a lowland in the extreme southeast bootheel region of Missouri, part of the Atlantic Plain known as the Mississippi Alluvial Plain ( areas 3e ) or the Mississippi embayment
* the Missouri portion of the Ozark Plateau ( areas 14a and 14b ) which lies between the Mississippi Alluvial Plain and the Central Lowland.
Alluvial and subject
Alluvial gold mining was once important and in recent years the area has been subject to mineral exploration.
Alluvial and from
The central part of the area is the plains of Alluvial ( above sea level ) next to the alps, between Gruyères and Broc, from which the hill of Gruyères rises to above sea level.
Alluvial fields along the Mitchell River and its tributaries were worked into the early twentieth century, while there was also some reef mining from the 1860s.
The District treats ground water from the Alluvial Aquifer and is the only water utility in Pulaski County that relies on ground water.
The western boundary of the refuge follows the contour along the Mississippi Alluvial Valley escarpment which separates the Mississippi River delta from the Gulf Coastal Plain.
# Alluvial or Tertiary ( Aufgeschwemmte ) Series-poorly consolidated sands, gravels, and clays formed by the withdrawal of the oceans from the continents.
Alluvial plains and deltas spread from the uplands surrounding the area where London now stands and eventually ran into this great lake.
* ' On a Few Fossil Bones from the Alluvial Strata of the Zambesi Delta ', Journal of the Royal Geographical Society ( 1864 ), 34, 199-201.
Alluvial soil won from the North Sea makes the area well-suited for agriculture.
Alluvial and .
An Alluvial plain begins north of Baghdad and extends to the Persian Gulf.
The southeastern part of the state is the Bootheel region, part of the Mississippi Alluvial Plain or Mississippi embayment.
** Alluvial plain, formed over a long period of time by a river depositing sediment on its floodplain or bed which becomes alluvial soil.
Alluvial soils carried in the floodwaters add nutrients to the floodplains.
Alluvial floodplains have developed in the lower park on deposits of quaternary alluvium.
Alluvial fan deltas, as seen in their name, avulse frequently and more closely approximate an ideal fan shape.
The third region, the lowlands of the south-east and part of the Mississippi Alluvial Plain, has an area of some.
Alluvial river deposits on the Amazon Basin, near Autazes, AM – Brazil.
Alluvial fan above Lake Louise ( Alberta ) | Lake Louise, Alberta, Canada.
0.280 seconds.