Stratigraphic Unit Table

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Name

Stratigraphic Unit

Short Name

STU

AFCEE Supplied

Yes

Number of Fields

8

Total Record Length

355

Child Tables

Description of the units in the interpreted stratigraphic column for an installation.

 

Every installation should have an official, master stratigraphic column designated/interpreted by a geologist.  There may be more than one record of a particular lithology (at different depths) depending upon whether the lithologic sampling is performed continuously, every five feet, or when the lithology type changes.  Usually, when lithology is described continuously, or every five feet, the potential to have more than one record of the same lithology is possible. Not every layer (or stratigraphic unit) will be found at every location, so it is important that lithologic information from sampling locations (as found in the Lithology Description table) be in agreement with the master column.

 

Short Field Name

Required?

Start

End

AFIID

Yes

1

5

ST_UNIT

Yes

7

26

STRATORDER

No

28

30

GRPNAME

No

32

51

FORMATION

No

53

72

MBRNAME

No

74

93

BEDNAME

No

95

114

SUDESC

No

116

355




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This page last updated 9/4/2012
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