Case study of core and plug preparation

Jun 18th, 2015
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When a piece of rock or core is wanted to be used for analysis as a sample in the laboratory, several steps, as per-processing steps, should be considered on the sample to be prepared for experiments. The main pre-processing steps are follow: (1)slabbing : the cores need to be slabbed with the aim of making the rock structure visible. this can simply be done by sawning down the middle of the rock and cutting it at desired length. (2) Plugging: one can drill the plug at every one foot of the core. (3) trimming: both end of the plugs and core samples can be trimmed in order to produce high quality thin sliced samples without disturbing the structure of the sample.

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Experiment no: 8Aim: Case study of core and plug preparationIntroduction:When a piece of rock or core is wanted to be used for analysis as a sample in the laboratory, several steps,as per-processing steps, should be considered on the sample to be prepared for experiments. The mainpre-processing steps are follow:(1)slabbing : the cores need to be slabbed with the aim of making the rock structure visible. this cansimply be done by sawning down the middle of the rock and cutting it at desired length.(2) Plugging: one can drill the plug at every one foot of the core.(3) trimming: both end of the plugs and core samples can be trimmed in order to produce high quality thinsliced samples without disturbing the structure of the sample.Core Slabbing:Core slabbing is the first step in the preparation of samples for core laboratory experiments. The radialcore slabbing saw is a machine for cutting rocks into the smaller parts. . This is basically for cutting a bigsize outcrop rock into the smaller parts and/or cutting the longer cores to the shorter ones. Radial coreslabbing saw is designed for diamond cutting discs only, which is connected to the motor with a shaft andtwo pulleys and the use of the cooling waters improves the slice quality and cutting speed and reduces theheat which is produced by sawing process. Figure below shows the core slabbing machine.Fig. 1However, students should consider the following safety notices:1-This machine must only be operated by qu

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