Sample LB-9 S#2

Project

Geotechnical and Sand Source Investigation, Longboat Key

Sample Date

3/13/1989

Top Of Sample Interval

3.50

Bottom Of Sample Interval

7.50

Grab Elevation

-33.00

Percent Pan Fraction

14.40

Carbonate Dissolved

N

Heavy Minerals Dissolved

N

Organics Removed

N

Shell Fragments Removed

N

Analytical Method

sieved 230 wash

Sample Collection Method

Core Boring

Lab

Coastal Planning & Engineering, Inc.

USCS Classification

SM

Grain Size Breakdown-Krumbein Phi (φ) Scale

-3.25 φ

19.20

-1.5 φ

23.80

-1 φ

3.60

-0.5 φ

3.30

0 φ

3.70

0.5 φ

3.00

1 φ

3.30

1.5 φ

2.30

2 φ

2.10

2.5 φ

2.70

3 φ

17.00

3.5 φ

1.00

4 φ

0.60

Grain Size Breakdown-USCS Scale

USCS Cobble

0.00

USCS Coarse Gravel

0.00

USCS Fine Gravel

19.20

USCS Coarse Sand

27.40

USCS Medium Sand

13.30

USCS Fine Sand

25.10

USCS Silt

0.60

USCS Clay

0.00

Grain Size Breakdown-Wentworth Scale

Wentworth Boulder

0.00

Wentworth Cobble

0.00

Wentworth Gravel

27.40

Wentworth Pebble

19.20

Wentworth Very Coarse Sand

7.00

Wentworth Coarse Sand

6.30

Wentworth Medium Sand

4.40

Wentworth Fine Sand

19.70

Wentworth Very Fine Sand

1.60

Wentworth Wilt

0.00

Wentworth Clay

0.00

Wentworth Colloid

0.00