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Gurmeet Singh posted an Question
November 04, 2020 • 02:19 am 30 points
  • IIT JAM
  • Geology (GG)

25m is given ans.

9. Consider the stratum contour map shown in the following figure: 500 m - -480 m -510 mn --490 m 520 m -- 500 m 530 m -----510 m .. ****-. .--- . - -------. Find the approximate vertical thickness of the folded beds. * ------ --.

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  • Gurmeet singh

    but i don't get anything sir.

    eduncle-logo-app

    SEE THE BLACK LINES ARE UPPER LAYER and Red dotted are lower layer so when we are going to measure the thickness then the upper layer and exactly the below lower layer should be taken. so we observe which red line dotted layer faliing exactly below or you can say coincides black layer .

    eduncle-logo-app

    okay.

  • comment-profile-img>
    Sajan sarthak best-answer

    Here all the bed contacts are parallel to contour so they are horizontal beds. And how the stratum and contours are of different heights it's a confusing question. .. if beds are horizontal then the vertical thickness should be like 530-520 =10m so it's a unimaginable question.

    eduncle-logo-app

    sir if contour lines are parallel to bedding, bed will be horizontal?

    eduncle-logo-app

    yes

    eduncle-logo-app

    But as per your solution it's not contour it's lower layer of bed.

  • Gurmeet singh

    this is the given solution. please explain it sir.

    cropped93542001.jpg
    eduncle-logo-app

    Ohh I thought of these red lines are contours that's why created a great confusion ok then it's correct explanation. 25 meter is the answer.

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