Part 2 - Marine Sediment Photomicrographs

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Sediment Sample 1-1.   Tourmaline Beach Sand, San Diego CA     Bar scale at side of image is in 1 millimeter increments

 

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Sediment Sample 1-2.   Upper San Diego River, San Diego County     Bar scale at side of image is in 1 millimeter increments

 

 

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Sediment Sample 1-3.   Granodiorite rock, San Diego County     Bar scale at side of image is in 1 centimeter increments

 

Sample Set 2 Collection Site

Image for Sediment Sample Station 2     Aerial view of Point La Jolla and La Jolla Shores

 

 

 

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Sediment Sample 2-1.   Point La Jolla Pocket Beach Sand    Bar scale at side of image is in 1 millimeter increments

 

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Sediment Sample 2-2.    La Jolla Shores Beach Sand    Bar scale at side of image is in 1 millimeter increments

 

Sediment Sample 3-1.   Magnetite-rich beach sand, Lookout Point, Oregon.    

 

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Sediment Sample 4-1.    Big Island Beach Sand – Hawaii   Bar scale at side of image is in 1 millimeter increments

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Sediment Sample 4-2.    Hawaiian Olivine Basalt Rock – Big Island.   Bar scale at side of image is in 1 centimeter increments

 

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Volcanic Sand Minerals and Rock Grains.  Common minerals found in Hawaiian volcanic rock samnds.  Note that aegirine and diopside are types of pyroxene, and analcime and plagioclase are types of feldspar.  Volcanic glass is another name for obsidian.   Bar scale at side of image is in 1 millimeter increments.

 

 

 

Sediment Sample 4-3.   Maui Beach Sand – Hawaii.    Bar scale at side of image is in 1 millimeter increments

 

 

 

 

 

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Sediment Sample 5-1.    Kotzubue Sound Beach Sand, Alaska     Bar scale at side of image is in 1 millimeter increments

 

 

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Sediment Sample 5-2.   Pugent Sound Beach Sand, Washington State     Bar scale at side of image is in 1 millimeter increments

 

 

 

 

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Sediment Sample 5-3.   Stonefield Beach Sand, Oregon      Bar scale at side of image is in 1 millimeter increments

 

 

 

Sediment Sample 6-1.    Plum Beach, Massachusetts Sand –  Bar scale at side of image is in 1 millimeter increments

 

 

Image of Plum Island Beach, Massachusetts Where Sample 6-1 was collected.    Bar scale at side of image is in 1 millimeter increments

 

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Sediment Sample 7-1.   Oolitic Beach Sand from the Bahamas.   Bar scale at side of image is in 1 millimeter increments.  Inset image bar scale units are in microns.

 

 

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Sediment Sample 8-1.    Evaporite rock and sediment grains

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Sediment Sample 9-1.    Star Sand.    Bar scale at side of image is in 1 millimeter increments

Read this article on Star Sand:   http://www.geoscirocks.com/Sands-of-the-World_Article.pdf

 

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Sediment Sample 9-2.    Samur Beach Sand - Indonesia        Bar scale at side of image is in 1 millimeter increments

 

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Sediment Sample 10-1.    Bahamas Beach Sand    Bar scale at side of image is in 1 millimeter increments

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Sediment Sample 10-2.    Molakai Beach Sand - Hawaii     Bar scale at side of image is in 1 millimeter increments

 

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Sediment Sample 10-3.    Ireland Beach Sand – Northeast Atlantic Ocean   Bar scale at side of image is in 1 millimeter increments

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Sediment Sample 10-4.   Kenya Beach Sand – East African Coast   Bar scale at side of image is in 1 millimeter increments

 

Sediment Station 11-1.   Torrey Pines State Beach, San Diego CA

 

 

 

 

Sediment Sample 11-2.   Torrey Pines State Beach, San Diego CA.    Bar scale at side of image is in 1 centimeter increments

 

 

 

 

Sediment Samples 12-1   Manganese nodules strewn across the deep sea bottom, embedded in matrix of fine-grained pelagic sediment.

 

 

 

Sediment Samples 12-2     Assortment of manganese nodules collected from the deep sea bottom near the Cook Islands in the Southwestern Pacific Ocean basin.

 

 

 

Sediment Sample 12-3     Close-up of manganese nodules collected from the deep sea bottom.

 

 

 

 

Sediment Sample 13-1.   A fine specimen of Turritella Fossil Limestone

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Sediment Samples 13-2.   A visual comparison of Chalk and Diatomite

 

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Sediment Sample 13-3.   A sample of Chert – a very hard deep ocean siliceous rock

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Sediment Sample 14-1.   Diatoms under high magnification

 

 

Sediment Sample 15-1.   A high magnification photomicrograph of coccolithophore-rich deep sea sediment.

 

Sediment Sample 15-2.   A high magnification photomicrograph of foraminifera-rich deep sea sediment.

Sediment Samples 16-1    Image of oceanographer collecting deep sea pelagic clay sediment sample.

Sediment Sample 16-2     Image of oceanographer collecting deep sea pelagic clay sediment sample.

 

 

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Sediment Sample 16-3.   Image of oceanographers with deep sea pelagic clay on their hands.