Peterson Clovis Points - Metric Measurements


1. Clovis point broken by cultivation, and rejoined.
Gray chert (10YR5/1) with fossil inclusions. Weight 19.7 grams
Length (actual) 86.7 mm
Maximum thickness 8.6 mm
Maximum width 26.4 mm
Basal width 21.9 mm
Length of basal grinding 24.3 mm
Width at end of basal grinding 25.9 mm
Depth of Basal concavity 4.0 mm
Interflute thickness 5.1 mm
Obverse flute length 22.0 mm
Obverse flute width 7.6 mm
Reverse flute length 12.3 mm
Reverse flute width 14.6 mm


2. Clovis point broken by culivation and rejoined.
Gray chert (10YR5/1) with white fossil inclusions. Weight 21.5 grams.
Length (actual) 85.4 mm
Maximum thickness 8.1 mm
Maximum Width 31.5 mm
Basal width 31.2 mm (estimated)
NO BASAL GRINDING
Depth of basal concavity 4.7 mm
Interflute thickness 5.4 mm
Obverse flute length 22.4 mm
Obverse flute width 16.6 mm
Reverse flute length 21.1 mm
Reverse flute width 14.4 mm


3. Clovis point broken by cultivation and rejoined.
Gray chert (10YR6/1) with fossil inclusions. Weight 14.1 grams.
Length (actual) 75.0 mm
Maximum thickness 7.4 mm
Maximum width 26.5 mm
No Basal Grinding
Depth of basal concavity 4.3 mm
Inteflute thickness 4.7 mm
Obverse flute length 19.7 mm
Obverse flute width 14.3 mm
Reverse flute length 23.8 mm
Reverse flute width 12.6 mm



4. Clovis point manufactured from white chert (10YR8/1) with gray fossil inclusions. Weight 7.8 grams
Length (actual) 54.1 mm
Maximum thickness 6.2 mm
Maximum width 23.0 mm
Basal width 18.8 mm
Length of basal grinding 22.5 mm
Width at end of basal grinding 22.0 mm
Depth of basal concavity 2.7 mm
Interflute thickness 4.8 mm
Obverse flute length 26.3 mm
Obverse flute width 10.7 mm
Reverse flute length 15.6 mm
Reverse flute 10.5 mm
[One of three Clovis points found close together on the surface of the site]


5. Clovis point out of gray (10YR5/1) chert with light gray (10YR7/1) fossil inclusions. Weight 8.6 grams.
Length (actual) 52.3 mm
Maximum width 25.0 mm
Basal width 20.9 mm
Length of Basal Grinding 20.9 mm
Width at end of basal grinding 21.6 mm
Maximum thickness = 6.3 mm.
Depth of Basal Concavity 3.1 mm
Interflute thickness 3.0 mm
Obverse flute length 13.9 mm
Obverse flute width 11.1 mm
Reverse flute length 10.3 mm
Reverse flute width 13.6 mm



6. Clovis point manufactured from light brownish gray chert (10YR6/2) with small amount of mottling. Weight 5.7 grams.
Length (actual) 47.0 mm
Maximum thickness 6.6 mm
Maximum width 21.8 mm
Basal width 21.2 mm
Length of basal grinding 17.9 mm
Width at end of basal grinding 19.7 mm
Depth of basal concavity 4.1 mm
Interflute thickness 4.5 mm
Obverse flute A length 20.8 mm
Obverse flute A width 9.6 mm
Obverse flute B length 13.2 mm
Obverse flute B width 13.3 mm
Reverse flute A length 18.6 mm
Reverse flute A width 10.6 mm


7. Point manufactured from gray chert with white fossil inclusions. Weight 6.3 grams
Length (actual) 44.7 mm
Maximum thickness 7.7 mm
Maximum Width 18.7 mm
Length of basal grinding 16.9 mm
Depth of basal concavity 2.6 mm
Interflute thickness 5.4 mm
NO BASAL GRINDING
Obverse flute A length 15.3 mm
Obverse flute A width 7.2 mm
Obverse flute B length 7.1 mm
Obverse flute B width 10.6 mm
Reverse flute length 7.6 mm
Reverse flute width 12.3
[Found during 2005 at the lowest point on the site's hillslope]


8. Clovis point that has been significantly resharpened. Dark Gray chert (10YR4/1) with white Formaniferia fossil inclusions. Weight 8.7 grams.
Length (actual) 47.8 mm
Maximum thickness 6.8 mm
Maximum width 24.4 mm
Basal width 22.9 mm
Length of basal grinding 21.2 mm
Width at end of basal grinding 24.4 mm
Depth of basal concavity 4.9 mm
Inteflute thickness 4.6 mm
Obverse flute length 36.8 mm
Obverse flute width 12.2 mm
Reverse flute length 17.5 mm
Reverse flute width 12.0 mm
[This is one of three Clovis points found together on the surface of the site
.]

9. Clovis point manufactured out of dark gray chert (10YR4/1) with small amount of white fossil inclusions and some mottling. 6.5 grams in weight.
Length (Actual) 43.8 mm
Maximum Thickness 5.5 mm
Maximum width 25.1 mm
Basal width 21.7 mm
Length of Basal Grinding 22.4 mm
Width at Basal Grinding 24.2 mm
Depth of Basal Concavity 3.4 mm
Interflute thickness 4.7 mm
Obverse flute length 29.2mm
Obverse flute width 11.0 mm
Reverse flute lenght 35.4 mm
Reverse flute width 10.6 mm
[One of three Clovis points found close together on the surface of the site.]


10. Clovis point that has been significantly resharpened. Very Pale Brown (10YR7/3) chert. Weight 3.7 grams.
Length (actual) 34.2 mm
Maximum thickness 5.3 mm
Maximum width 20.6 mm
Basal width 18.1 mm
Length of basal grinding 17.7 mm
Width at end of basal grinding 19.6 mm
Length (actual) 34.2 mm
Maximum thickness 5.3 mm
Depth of basal concavity 2.8 mm
Interflute thickness 4.1 mm
Obverse flute A length 11.1 mm
Obverse flute A width 7.4 mm
Obverse flute B length 6.3 mm
Obverse flute B width 4.9 mm
Reverse flute length 11.4 mm
Reverse flute width 9.6 mm
[Discovered near the seep spring at the site]


11. Resharpened and exhausted Clovis point.
Dark Gray chert (10YR5/1 and 10YR6/1) with white Formaniferia fossil inclusions. Weight 4.9 grams.
Length (actual) 35.5 mm
Maximum thickness 6.3 mm
Maximum width 22.8 mm
Basal width 21.0 mm
Length of basal grinding 17.6 mm
Width at end of basal grinding 22.9 mm
Depth of basal concavity 2.7 mm
Interflute thickness 4.3 mm
Obverse flake length 14.1 mm
Obverse flake width 12.2 mm
Reverse flake length 14.4 mm
Reverse flake width 13.5 mm


12. Clovis base from Dark Gray (10YR4/1) chert. Weight 5.3 grams.
Length (actual) 36.9 mm
Length (complete estimated) 69.4 mm
Maximum thickness 5.5 mm
Maximum width 21.2 mm
Basal Width 18.9 mm
Length of Basal Grinding 18.9 mm
Width at end of Basal Grinding 21.2 mm
Depth of Basal Concavity 6.3 mm
Interflute thickness 4.1 mm
Obverse flute length 24.6 mm
Obverse flute width 9.5 mm
Obverse flute length 11.5 mm
Obverse flute width 12.6 mm
Reverse flute length 23.2 mm
Reverse flute width 6.3 mm
Reverse flute length 19.6 mm
Reverse flute length 6.0 mm



13. Base of a broken Clovis Point. Grayish Brown chert (10YR5/2) with white fossil inclusions. Weight 5.7 grams.
Length (actual) 35.2 mm
Length (estimated if complete) 83 mm
Maximum thickness 6.8 mm
Maximum width 22.1 mm
Basal width 20.4 mm
Length of basal grinding 20.4 mm
Depth of basal concavity 5.3 mm
Interflute thickness 4.2 mm
Obverse flute length 14.6 mm
Obverse flute width 12.7 mm
Reverse flute A length 22.2 mm
Reverse flute A width 8.7 mm
Reverse flute B length 12.9 mm
Reverse flute B width 12.9 mm


14. Unfinished, unfluted Clovis point base with fluting "tab" still attached.
Gray chert (10YR6/1) with white fossil inclusions. Weight 11.7 grams
Length (actual) 40.9 mm
Length (complete estimated) 90.5 mm
Maximum thickness 7.1 mm
Maximum width 33.7 mm
Basal width 24.0 mm
NO BASAL GRINDING
Depth of Basalt Concavity 2.1 mm
[There is retouch on the broken edge of the artifact.]


15. Unfinished, Clovis point that was broken during manufacture (specifically during basal thinning) when the fluting of the second side resulted in a "reverse henge fracture" and the point broke in half at the midsection. Light gray (10YR7/1) chert with fossil inclusions. Weight 4.9 grams.
Length (Actual) 40.6 mm
Length (complete estimated) 116.1 mm
Maximum thickness 8.5 mm
Maximum width 35.7 mm
Basalt width 28.3 mm
NO BASAL GRINDING
Depth of basal concavity 3.8 mm
Interflute thickness 6.2 mm
Obverse flute length 33.1 mm
Obverse flute width 21.6 mm
Reverse flute length 32.6 mm
Reverse flute width 17.9 mm


16. Clovis base manufactured from pink (7.5YR7/3) chert with gray fossil inclusions. 7.6 grams in weight.
Length (Actual) 33.7 mm
Length (if Complete - estimated) 90.5 mm
Maximum thickness 9.1 mm
Basal Width 27.1 mm
Length of basal grinding 26.9 mm
Width at end of basal grinding 30.2 mm
Depth of Basal concavity 2.2 mm
Interflute thickness 4.9 mm
Basal grinding Yes
Obverse flute length 24.4 mm
Obverse flute width 15.9 mm
Reverse flute length 9.2 mm
Reverse flute width 15.9 mm


17. Clovis point base. Light brownish gray (10YR6/2) chert. Weight 3.2 grams.
Length (actual) 27.8 mm
Maximum thickness 4.6 mm
Maximum Width 21.6 mm
Length of basal grinding 20.9 mm
Width at end of basal grinding 21.6 mm
Depth of basal concavity 3.1 mm
Interflute thickness 3.0 mm
Obverse Flute Length 13.9 mm
Obverse Flute Width 11.1 mm
Reverse Flute Length 10.3 mm
Reverse Flute Width 13.6 mm
[This base feels thinner and lighter than the other Clovis point bases from the site]


18. Clovis base manufactured out of light gray (10YR7/2) chert. Weight 4.3 grams.
Length (actual) 28.2 mm
Length (estimated if complete) 88.1 mm
Maximum thickness 6.6 mm
Maximum width 25.8 mm
Basal width 20.9 mm
Length of basal grind 16.6 mm
Width at end of basal grinding 25.2 mm
Depth of basal concavity 3.4 mm
Interflute thickness 3.5 mm
Obverse flute length 13.8 mm
Obverse flute width 17.4 mm
Reverse flute length 11.8 mm
Reverse flute width 14.6 mm



Width 21.6 mm
Length (actual) 27.8 m m
Thickness 4.6 mm



20. Base of a Clovis point.

21. Base of a Clovis point.

22. Base of a Clovis point.

23. Base of a Clovis point.

24. Base of a Clovis point.

25. Base of a Clovis point.

Tip of a either an unfinished Clovis Point or a snapped Clovis point.

Webpage constructed 21 June 2005

Webpage updatd 21 September 2009