rine canyon area (Cruise RoS 2 ). 



Organisms 



Lebensspuren 

 P = Present 

 C = Common 

 A =: Abundant 



Shell 



(Mainly 



pelecypod 



Relative 



percent 



Coelenterates 



Echinoderms 



Polychaete 



Worms 



and 

 Related 

 Forms 



Crustaceans 



Fish 



Remarks 



A 



A 



P 

 P 

 P 



3-12 1 



5-12 

 2-5 



7-20 

 3-12 



1-7 



( ?: 



(?) 



x 



< ?) 2 



(?) 



(?) 



tubes •■ 

 tubes 



tubes 



tubes 



tubes 



tubes 



tubes 

 tubes 



tubes 



worm ( ?) 

 \vorm( ?) 



tubes 

 tubes 

 worm ( ? ) 



tubes 

 tubes 

 tubes 



1 Large shells mainly concave up. 

 1 All photos too poor to interpret 

 (camera too far off bottom). 



1 Beginning of station. 



2 End of station. 



1 Straight ripples probably young- 

 er than interference ripples. 



1 Beginning of station, straight 



ripples dominant. 



2 Middle of station, sinuous rip- 



ples dominant. 

 ;i End of station, sinuous and in- 

 terference ripples. 



1 Beginning of station. 



2 End of station. 



3 Not oriented. 



1 In one photo only. 



1 Murky nature of photos suggest 

 material in suspension. 



1 Large boulders observed (to > 60 

 cm in diameter). 



1 Maximum diameter 25 cm. 



2 NE-SW alignment of shell con- 



centrations in ripple troughs. 

 1 Maximum diameter 30 cm. ; 

 gravel rare in later frames. 



1 Maximum diameter 2-3 cm. 

 1 Granular nature may be due to 

 faecal pellets or mud clasts. 



i Ibid. 



2 Current direction obtained from 

 scour lineation. 



1 Granular texture may be due to 

 faecal pellets or mud clasts. 



1 Maximum diameter 20 cms. 



1 Granular texture may be due to 



faecal pellets or mud clasts. 

 i Ibid. 

 1 Ibid. 



1 Ibid. 



i Ibid. 

 1 Ibid. 

 1 Ibid. 



1 Clay appears stiff. 



1 Large fractured rock ledge (see 



Plate 27 A) and numerous 

 angular blocks of rock at least 

 20 cm thick. 



2 Ping-pong ball-like echinoid. 



1 Granular texture may be due to 



faecal pellets or mud clasts. 

 1 Possible crinoid. 



1 Maximum diameter 40 cms. 



Possible sponge observed. 

 1 Maximum diameter at least 1 

 meter. 



1 Granular texture may be due to 

 faecal pellets or mud clasts. 



1 Maximum diameter 7.5 cm (may 

 be an unidentified organism). 



1 Maximum diameter 20 cm. 



# U.S. GOVERNMENT PRINTING OFFICE: 1969 O-33O-307 



95 



