Collections H.M.Bolli:

Trinidad slides Recent to Cretaceous (Toco Formation)

Four trays with washed residues (Fema-cells, glass vials) representing the Recent (Gulf of Paria a. other areas), Karamat-, Cruse-, Herrera-, Gros Morne, Nariva, Lower Forest- and Toco (Cretaceous) Formations from various wells and locations in Trinidad. With the collection is a list of samples and biostratigraphic correlation schemes to Formations in Trinidad. Collection received from J.B. Saunders, Nov. 17, 1967.

 

Standort

 

Gulf of Paria and other locations, Recent:

B.R. 283, Station 23

B.R. 285, Station 25

B.R. 259, Station 11, Locality 21, 22, 23

B.R. 323, Manzanilla Bay

B.R. 281, St. 21

B.R. 344, N Radex Pt

B.R. 347, Mr. Tuett's separation

B.R. 354, Mr. Tuett's separation, Immelled portia

B.R. 479, Station 2

B.R. 497, G'yana Beach S., Mr. Tuett's separation

R.S. No. 21, Loc I.

 

Thecamoebines

J.S. 2019

J.S. 2284

 

 

Karamat Formation (Middle to late Middle Miocene):

Well Barackpore No. 416, cores (depths in feet) 8990 ', 9040 ', 9190 ', 9240 ', 9300 '.

 

Lower Cruse Formation (Late Miocene):

Well D.O.L. Icacos No. 1, cores (depth intervals in feet) 5860 - 70 ', 5870-80 ', 5890-5900 ', 5900-10 ', 5020-30 ', 5930-40 '.

Well Quinam No. 30, cores (depths in feet) 3190 ', 3550 ', 3370 '.

 

Herrera Sandstone (Middle Middle Miocene):

Well Barackpore No. 419, cores (depths in feet) 10730 ', 10660 ', 10700 '.

 

 

Guayaguayare: Gros Morne sandstone and silt (Middle Miocene):

Well Guayaguayare No. 426, cores (depths in feet) 2470 ', 2500 ', 3200 ', 2630 '.

 

 

Nariva Formation (Early Miocene):

Well ABM No. 91, cores (depths in feet) 2740 ', 6640 '.

Well ABM 126, core 3010 '.

 

 

Lower Forest Clay (Upper Miocene to Lower Pliocene ?) :

Well Soldado No. 221, core (depth in feet) 5558 '.

 

Top Cruse Formation (Late Miocene):

Well Soldado No. 221, core (depth in feet) 5588 '.

 

Sample DB-126 with Biglobigerinella (DB= D. Batjes)

 

Toco Formation (Lower Cretaceous):

J.S. 2051, O'Briens Point, Toco Bay.