Find the Rock Quality Designation of drilled rocks upon coring. Give the remarks on the quality of rock
Find the Rock Quality Designation of drilled rocks upon coring. Give the remarks on the quality of rock
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
Related questions
Question
Find the Rock Quality Designation of drilled rocks upon coring. Give the remarks on the quality of rock.
please provide a complete solution. thank you.
![RQD (%)
Description
Very Poor
Poor
...
0-25
25-50
50-75
Fair
75-90
Good
90-100
Excellent
CORE RECOVERY
CALCULATION
RQD
CALCULATION
...
L- 250 mm
L= 250 mm
L=0
Highly Weathered
Does not meet
Soundness Requirement
L= 200 mm
L=0
L= 250 mm
Centerline
Pieces < 100 mm
and Highly Weathered
L= 190 mm
L= 190 mm
L-0
< 100 mm
L-60 mm
L- 80 mm
Mechanical Break
caused by Drng Process
L= 200 mm
L-120 mm
L-O mm
L-0
No Recovery
Core Run Total 1200 mm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbfe0caa2-dea2-4ae2-8867-9367082f146b%2Faffc2bb8-bff9-48c3-9f68-c685292219ec%2Fh9l6ntg_processed.png&w=3840&q=75)
Transcribed Image Text:RQD (%)
Description
Very Poor
Poor
...
0-25
25-50
50-75
Fair
75-90
Good
90-100
Excellent
CORE RECOVERY
CALCULATION
RQD
CALCULATION
...
L- 250 mm
L= 250 mm
L=0
Highly Weathered
Does not meet
Soundness Requirement
L= 200 mm
L=0
L= 250 mm
Centerline
Pieces < 100 mm
and Highly Weathered
L= 190 mm
L= 190 mm
L-0
< 100 mm
L-60 mm
L- 80 mm
Mechanical Break
caused by Drng Process
L= 200 mm
L-120 mm
L-O mm
L-0
No Recovery
Core Run Total 1200 mm
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