8_clastic_hydrothermal_sediments

8_clastic_hydrothermal_sediments - Clasticandhydrothermal...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
Clastic and hydrothermal  sediments GS222 Lecture 8
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Overview - this lecture Types of sediment Generalized bathymetry Turbidity currents and turbidites Hydrothermal plumes and sediments
Background image of page 2
Sediment types 1) Clastic sediments - composed of fragments or grains derived from  existing rocks by weathering, erosion, transport,  and deposition - includes clay (<3.9  μ m), silt (3.9-62  μ m), sand  (62  μ m-2mm), and gravel (> 2 mm) - deposited by water, wind, and glaciers
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Sediment types 3)  biological sediments - product of precipitation by organisms as they  grow (clams, foraminifera, diatoms) 2) chemical sediments - formed in place, typically by precipitation or  crystallization from a fluid (sea water) 
Background image of page 4
Age of oceanic crust
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Thickest sediments generally occur on oldest crust Sediment thickness
Background image of page 6
clastic Clastic vs. biogenic distribution
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/20/2012 for the course GEO 222 taught by Professor Davidlund during the Winter '11 term at University of Michigan.

Page1 / 26

8_clastic_hydrothermal_sediments - Clasticandhydrothermal...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online