Field guide

In order that all the good outcrops in Trinidad and Tobago that are easily accessible and/or important are listed in the proposed field guide, the sub-committee has identified those that they intend to include in the guide on the 1;100,000


map .

It would be appreciated if any members who 
know of good outcrops that are not included contact any member or the Executive 
of Secretariat.

SHEET 1

1 & 2. Maracas and Chancellor Formations of Kugler (1959) and Potter (1956). Dedded folded beds with cobble sized clasts in discrete beds.

3. Winns's bay - Laventille Limestone and phyllites. Also on Gaspar Grande - fluorite and ironstones, caves.

4. Pt. Gourde - Interbedded folded limestones and phyllites in the Laventille Fm.

SHEET 2

1. Maracas Fm. - quartzites

2. Maracas Fm - Quartzites and phyllites

3. Maracas Fm - Type section - Potter (1976)

4. Maraval Fm. - Rafi Ahamad stop

5. Maraval Fm. - Limestones - Cutucupano Quarry.

6. Maracas Fm - Type section - Potter (1976)

7. Chancellor Fm. - Type section - Potter (1976)

8. Lady Young Road - Morvant Beds and phyllites of Chancellor Fm.

9. Gypsum Lens.

10. Moonan Quarry - Lady Young Road

SHEET 3

1. Maracas Fm. - near beach facilities, Las Cuevas

SHEET 4

1. Cumaca Quarry - Cumaca Road, Cuare limestone, Rio Seco Fm.

2. Hollis Damsite - site of Tithhonian ammonite finds. Original locality now lost.

SHEET 5

1. Toco Fm - lmst facies
2. Sans Souci Volcanics
3. L'Anse Noir Grit Member - Toco Fm.
4. Cherry Cake Conglomerate.
5. Toco Fm.
6. Galera Grits - Galera Pt.
7. Forest Pt/Salibia Rd.- Galera Grits
8. Tompire Bay type locality, Tompire Fm.
9. Guayamara Pt. - Phyllites and coarse to conglomeratic grits, Grande Riviere Fm.
10. Parasitic Folds - Grande Riviere Fm.
11. Barracuda Pt. - Near contact of Grande Riviere and Rio Seco Fms.
12. Siras River - Rio Seco Fm.
13. Bateau Pt. - Balandra Grit Member at base of Grande Riviere Fm.
14. Matura Bay (N. end) - Grande Riviere Fm

SHEET 6

1. Several Quarries - Laventille Fin.
2. Gypsum Quarry, St. Joseph.

SHEET 7

1. Arima Fault Zone - Extensively deformed metasediments in river bed down from Arima - Blanchisuesse Rd.,
2. Extensive Quarries in Sum Sum Sd. -Ravine Sable Rd.
3. Quarry in Durham Sd. - Durham Mills Rd.
? Clay for Abel Brick Factory.

SHEET 8

1a. Basal Manzanilla
1. Cunapo Cgl. in Mandillon River
2. Pointe-a-Pierre Fm.
3. Chaudiere Fm.
4. Tamana Hill - Guaracara Lmst.
5. Nariva Sands
6. Pointe-a-Pierre Fm
7. Cuche Fm - Hans Rd.
8. Guayaguayare Fm. - Gautier River.
9. Gautier Fm/Naparima Hill Fm. Contact - Gautier River.
10. Maridale Lmst. blocks in Cuche Fm -Cuche River. (Barr 1952).
11. Cuche Fm. - Siltstone and Cherry Cake type.
12. Pointe-a-Pierre - excellent sedimentary structures.

SHEET 9

1. Manzanilla Coast section - Pt. Lobin to Pt. Paloma Field trip guides.
2. Caigual Fault.
3. Manzanilla Bay - Type locality, Manzanilla Fm.
4. Brigand Hill - Guaracara Lmst.

SHEET 10

1. Quarries in Sum Sum Sd.
2. Springvale Fm. - Rich molluscan beds.
3. Telemaque Sandstone - Manz Fm.
4. San Jose Member - Manz. Fm.
4a. Plaisance Conglomerate - San Fernando Fm.
5. Quarries in Guaracara Lmst.
6. Pointe-a-Pierre Fm.
7. Rantdat Marl - Liz . Sprs. Fm.
8. San Fernando Fm. behind Railway Station
9. Naparima Hill.
10. Cipero Coast

SHEET 11

1. Brasso Quarry - Molluscan fauna in Telemaque Mbr., Manzanilla Fm.
2. Brasso Gorge - Montserrat Glauc. Sst. Mbr. and Telemaque Mbr., Manzanilla Formation.
3. Brasso Fm in River Cuttings and Rd cuttings.
3a. Montserrat Glauconitic Sst. - waterfall in Savaneta River.
4. Tabaquite Limestone. Quarry.
5. Trinidad Cement Limited Quarry, Mayo - Guaracara Limestone
6&7 Batchasingh Quarries - Guaracara Limestone.
8. Morne Roche Quarry
9. Pointe-a-Pierre Fm - Sandstone Trace - Tormos Brake Factory
10. Nariva Sands - Corbeaux Hill
11. Piparo Mud Volc. - Faults assoc. with eruptions have affected houses nearby.
12. Friendship Quarry - Navet Fm.
13. Jackson Hill - Navel Fm.
14. Dunmore Hill - Navet Fm.
15. Devil's Woodyard Mud Volcano

SHEET 12

1. Navet Fm. - Navet River
2. Fitt Trace Marl - Navet Fm.
3. Biche Lmst. Quarry
4. O'Brien Trace - Biche Lmst.

SHEET 13

1. Radix Pt. Sandstone
2. Palmiste Fm.

SHEET 14

1. Porcellanite at Puna del Moro.
2. Soldado Rock - Paleocene and Eocene Lmsts

SHEET 15

1. Pitch Lake
2. Pt. Rouge Porcellanite
3. Upper Morne L'Enfer cliff Section
4. Oil Sand Quarry (abandoned)
5. Oil Sand Quarry (IN USE)
6. Los Bajos Fault Zone - La Fortune
7. Oil seep, Point Fortin/Forest Reserve Rd.
8. Morne L'Enfer - McKenzie Fid.
9. Type locality, Lot 7 Silt
10. Porcellanite Quarry -- Buenos Ayres
11. White Cliff - Erin Formation
12. Palo Seco Mud Volcs.
13. Anglais Pt. Mud Volcs.

SHEET 16

1. Praeorbulina glomerosa type locality -AO 18
2. Upper Forest Clay, type Loc., FR 722
3. Forest Formation - Fyzabad/Forest Reserve Rd., type Loc.
4. Pleistocene Mammal/Upper Forest Clay Foraminiferal type Loc., FR 1060
5. Forest Fm - Fyzabad
6. Digity Mud Volcano
7. Mud Flow - Forest Reserve
8. Morne L'Enfer
9. Morne L'Enfer
10. Los Bajos Fault Zone
11. Morne L'Enfer
12. Morne L'Enfer
13. Palo Seco Bay Cruse Fm.
14. Quinam Bay - Cruse Fm.
15. Morne Diablo Quarry

16. Morne Diablo - Cruse

SHEET 17

1. Herrera Fm.
2. Herrera Fm.
3. Marac Quarry - Soldado Formation
4. Cascas River - Gr. rex type locality
5. La Lune Pt. - Contorted beds Moruga Fm.
6. Moruga Fm.

SHEET 18

1. Lizard Rd. - Karamat, Liz. Springs, Lengua - Polyperibola type Loc.
2. Cr. formosa type loc.
3. Salt Springs
4. Moruga Fm. - Moruga East Field
5. Moruga Bouffe
6. Sedimentary Dykes - Well G29
7. Lagon Bouffe Mud Volcano

SHEET 19

1. Schoener's Rd., Trinity Hill Sandstone
2. Mayaro Fm. - Mayaro Coast
3. Gros Morne Anticline - Gros Morne Fm.
4. Gros Morne - Galeota Pt.