Tuesday, July 17, 2018

Fieldtrip: Vietnam_Hanoi


Objective of this Fieldtrip is to characterize the fractures observed onshore as analogue for offshore Exploration. Producing field from Basement include the famous Bach Ho Field whick flowed oil from fractured granite.

Fieldtrip area located around the famous Red River Fault in Hanoi, Vietnam. Map by Cullen below shows other main tectonic element in Southeast Asia.

Vietnam can be divided into 5 Structural blocks.The visited area consist of Northeast Block and Northwest Block

The Onshore Geological Map of Hanoi area can be observed below:
Total of 14 Locality visited during this trip. The path followed is shown below.


The younger outcrop located mostly in  the Northern part and gets older in the south



Location of the Locality visited each day is marked in maps below:











Some of the rock samples in the outcrop can be seen below:



The diagram below shows the different classification of Fracture type  (From AAPG Method 10). The outcrop pictures is showing the Character of fractures in different type of Lithology-Limestone, Gneiss and Granite.



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