Geologic Time Table
08-Sep-94 10:44:38
Sb: #145004-Geologic Time Table
Fm: Greg Laden 72763,365
To: Kamron Kirkconnell 73740,2246
>> No there aren't scratches. <<
I have studied gravel surface features with various sorts of microscopy. You
have to use a variety of techniques to bring up scratches that are very small.
Usually, polarized light does the trick if you play around with it.
Electron microscopy also works. Take a look!
Cheers,
GTL
– Greg Laden, Written 08-Sep-1994 @ 10:42:36
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