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CCOP P1W6 LABUAN ONSHORE GEOLOGICAL FIELD WORK
ANALOGUE FOR SHALLOW MARINE & DEEP WATER
SEPTEMBER 7th2012 ORGANISED BY CCOP & PETRONAS
Prepareed by M Rapi M Som, PRSB
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PRESENTATION OUTLINE
INTRODUCTION
GEOLOGY OF SABAH/LABUAN EXPLORATION HISTORY
FIELDWORK BRIEF
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LOCATION
Labuan Island
Klias Peninsula
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LABUAN ISLAND
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SABAH GEOLOGY
After Mazlan, 1999
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GELOGY OF SABAH
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STRATIGRAPHY & STRUCTURE
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STRATIGRAPHY
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STRATIGRAPHY
Temburong Fmtn
Belait Fmtn
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REGIONAL X-SECTION ACROSS LABUAN
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EXPLORATION HISTORY
More than 100 yrsOil
seeps in Klias & Kudat Pen. In Labuan- Oil seep in coal
mine, late 1800s.
First wellOnshore -
Menombok-1 (1897)Klias
Peninsula (Red Circle).
In Labuan
Ganggarak-1. First wellOffshore
Hankin-1 (Purple Circle)
By late 1970s- Esso/SSPC
discoveries/producing:
Tembungo, Barton, Erb
West, S Furious,Samarang & St Joseph
Several PSCs rounds
resulted in new discoveries.
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GEOLOGY OF LABUAN ISLAND
Northeastward plunging asymmetrical anticline
Core of the IslandOligocene-L Miocene Temburong
Fmtn (deep marine to shelf slope). Mostly deformed.
Overlain by Belait Fmtn (Fluvial-Estuarine- Shallow
marine), less deformed.
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GEOLOGY OF LABUAN ISLAND
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FIEDWORK BRIEF
12
3
1. Chimney-Tg. Kubong
2. RMAF3. Near Tg. Punai
Hotel
Tg. Punai
Tg. Kubong
Tg. Layang-Layangan
Airport
Lunch
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FIELDWORK ITINENARY
7th
September 2012
7:45 am Gather in front of the hotel
8:00 am Board vehicle and leave hotel
8:30
11:00 am Outcrop 1: Chimney & Tg Kubong- Temburong/Belait- Deep water-Contact-FluvialThe Cliff/beach exposure will depend on the tide.
11:00 am12:00 Noon Outcrop 2 : RMAF Base (infront of)Belait Formation- Shallow Marine
12:00- 2:00pm Friday Prayer (for Muslim) and lunchKg Pohon Batu near beach.
2:00- 4:00pm Outcrop 3: Near Tg Punai (Temburong Fmtn)
4:00 pm Leave for Hotel
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TIDE CHART FOR LABUAN
*TG KUBONG OUTCROP ASSESSIBILITY IS SUBJECT TO TIDE CONDITION
Low Tide at 9:30AM
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SAFETY GUIDELINES
To ensure this fieldtrip is safe and enjoyable, the following safety guidelinesshould be followed:
Wear a pair of sturdy, comfortable shoes (eg. walking boots, safety or
sports shoes);
Umbrellas and hats are recommended for protection from sun and/or
rain;
Outcrops are located along the busy trunk roads; thus, care should betaken to avoid accidents;
Avoid climbing steep quarry faces. Rocks tend to be easily dislodged
especially in the rainy season;
If you intend to collect rock samples with a hammer, wear safety glasses
or goggles and warn your neighbours before hammering the rock;
At the outcrops, beware of snakes, bees, scorpion etc.;
Be environmentally friendly; take your litter home.
If you have any other query, please ask the fieldtrip leaders.
Note: Have enough drinking water supply- it might be hot and you will
loose a lot of fluid.
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FIEDWORK BRIEF
12
3
1. Chimney-Tg. Kubong
2. RMAF3. Near Tg. Punai
Hotel
Tg. Punai
Tg. Kubong
Tg. Layang-Layangan
Airport
Lunch
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OUTCROP- 3: Near TG PUNAITEMBURONG FMTN
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FIEDWORK BRIEF
12
3
1. Chimney-Tg. Kubong
2. RMAF3. Near Tg. Punai
Hotel
Tg. Punai
Tg. Kubong
Tg. Layang-Layangan
Airport
Lunch
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OURCROP 2- RMAF BASEBELAIT FMTN- SHOREFACE DEPOSITS
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OURCROP 2- RMAF BASEBELAIT FMTN- SHOREFACE DEPOSITS
Shoreface Sucessions: offshoremiddle shoreface
- HCS beds, gutter casts, trace fossils (cruziana
skolithos assemblages)
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FIEDWORK BRIEF
12
3
1. Chimney-Tg. Kubong
2. RMAF3. Near Tg. Punai
Hotel
Tg. Punai
Tg. Kubong
Tg. Layang-Layangan
Airport
Lunch
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OUTCROP 1CHIMNEY/Tg KUBONG
Chimney
Information Center
Tg. Kubong
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CHIMNEY OUTCROPBASAL BELAIT /TEMBURONG
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TG KUBONG- BASAL BELAIT FMTN- FLUVIAL DEPOSITS
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DEPOSITIONAL ENVIRONMENTSNORTHERN LABUAN
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THANK YOU