ESP SCI 15 - Lab 4 Study Deck

EPS SCI 15, Spring 2026

Terrigenous: Characteristics of Sediment Classes

Shallow to deep, coarse to fine, close to continents, near margins

Abyssal Clay: Characteristics of Sediment Classes

Deep-Ocean Basins, very fine grained, far from continents

Calcareous Oozes: Characteristics of Sediment Classes

shallow, near MORE, low-latitude warm regions, high biological productivity, above CCD

Siliceous Oozes: Characteristics of Sediment Classes

Deep, abyssal plains, high latitude cold regions, high biological activity, upwelling regions, below CCD

Volcanogenic: Characteristics of Sediment Classes

Varying depth, near volcanism sites (eg. convergent volcanic arcs, hot spots)

Glacial Marine: Characteristics of Sediment Classes

variable depth, location of icebergs

Phytoplankton and Zooplankton: Calcareous Sediment (CaCO3)

Cocoliths, Foraminifera

Phytoplankton and Zooplankton: Siliceous Sediment (SiO2)

Diatoms, Radiolaria

What color are cocoliths and/or diatoms?

White

Which rock will fizz by acid? (Chalk/Diatomite) What are the productions of the rxn?

Chalk, Calcium Chloride, Carbon Dioxide, Water

The CCD is ___-er (shallow/deep) at the poles.

shallow

The CCD is ___-er (shallow/deep) at the equator.

deep

CaCO3 dissolves better in __ (hot/cold) water.

cold

Types of Terrigenous Sediments

Continental margin, abyssal clays

Types of Sediment

Terrigenous, Biogenic, Chemogenic, Cosmogenous

Biogenic sediment can be made from… (3)

Calcium carbonate, silicate, and phosphates

Sorting of Particles: __ to __

poorly sorted, well sorted

Terrigenous are dominant along…

continental margins, deep oceans

(__ Sediment) Turbidities dominate on…

Terrigenous, continental rise, abyssal plains

(__ Sediment) Glacial sediments dominate at…

high latitudes

Terrigenous sediment ranges from __ to __ texture.

coarse, fine

Chemogenic sediments exist in diverse environments such as…

Mid Ocean Ridge, Ocean basins

Biogenous coral and manganese modules (hydrogenous) are what type of sediment?

Chemogenic

Calcareous ooze are __ the CCD where its __ and __-er.

above, shallow, warm

Siliceous ooze are __ the CCD where its __-er with __ surface activity.

below, cold, high

List grain size: Smallest —> Largest

Clay, Silt, Sand, Pebble, Cobble, Boulder

There is __ (more/less) dissolved CO2 at the poles.

more