Helium Hydrogen Lots of compounds Covalent bonds Van der Waals - PowerPoint PPT Presentation

Helium Hydrogen

Lots of compounds

Covalent bonds Van der Waals bonds All atoms are Carbon

Sulfur — S Galena — PbS 2.0 7.5 2.0 7.5

Porphyritic Fine Coarse ?????

Magma composition changes

Boulders, cobbles, pebbles and granules YE034 256 mm

Sand

Silt

Clay

W E L L

P O O R

Angular and spherical Rounded and spherical

Rounded, but not spherical

Breccia angular grains of gravel dumped

Conglomerate processed rounded grains of gravel

Breccia Conglomerate

Sandstone

Silt and shale

Lime- stone

Fossiliferous limestone coquina

Oolitic — abiotic

T r a v e r t i n e

Chert

1. Calcium carbonate 2. Halite 3. Gypsum 4. other salts

peat lignite bituminous anthracite

peat lignite bituminous anthracite

Natural arch

Before After

Minerals in water Thermal stress

Acid rain

E — leaching B — deposition Weathered bedrock

Topsoil and humus (organic material) Subsoil Bedrock=underlying rock (parent material source) Talus=debris

Mass wasting due to gravity Retains moisture

Most important factor is time

Capillary action

Miss River drainage Amazon

Radial Dendritic Trellis Rectangular

Divides separate drainages Drainage basin is delineated by divide which

Nile — high volume, low velocity

Low angle High angle

Yellow River vs. mountain stream

channel point bar

Levee