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: Elizabeth Barrette (ysabetwordsmith) wrote,
2008-05-22 16:53:00

Elizabeth Barrette
ysabetwordsmith
2008-05-22 16:53:00

Mood: busy

In a Grain of Sand

Discovery has an exquisite gallery of pictures of sand grains. They are varied and beautiful.

Tags: art, nature

Content notes for "The Little Shadow Across the Grass"

These are the content notes for " The Little Shadow Across the Grass." Read about the Grunge. The Ghost Dance was meant to " roll…
Setting notes for "The Little Shadow Across the Grass"

These are the setting notes for " The Little Shadow Across the Grass." Read about the Blackfeet Reservation. This map shows Glacier…
Character notes for "The Little Shadow Across the Grass"

These are the character notes for " The Little Shadow Across the Grass." Many of the character names came partly from Blackfeet…

glitteringlynx

May 23 2008, 00:03:20 UTC 13 years ago

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i would love to know how they can identify the composition of minerals that tiny. :X

Hmm...

ysabetwordsmith

May 23 2008, 00:13:21 UTC 13 years ago

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Based on my understanding of geology, options would include:

1) Identify surrounding rock types. Beaches usually include or consist of pulverized local rocks. Look for a match between the characteristics of the sand grains and the surrounding rocks.

2) Analyze the color, texture, cleavage, streak color, hardness, and other mineral characteristics of the grains. Magnification and fine tools will be useful.

3) Look for telltale features that identify grains as coming from artificial or animal origin. Fossil grains are easy to identify. So are plastic nurds and beach glass.