OCR AS level Geology H014/03 practical
skills in geology acttual 2026 paper
merged with mark scheme
[Document subtitle]
[DATE]
[COMPANY NAME]
[Company address]
, 1
Oxford Cambridge and RSA
OCR AS level Geology H014/03
practical skills in geology acttual
2026 paper merged with mark
scheme
*1883055674*
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra
space use the lined pages at the end of this booklet. The question numbers
must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks
might be given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 60.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an
asterisk (*).
• This document has 16 pages.
ADVICE
• Read each question carefully before you start your answer.
OCR is an exempt Charity
Turn over
1
(a) Fig. 1.1 in the Insert shows a thin section photograph of a carbonate rock.
(i) Name this rock using the Dunham classification scheme.
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............................... [1]
(ii) Calculate the magnification of the thin section photograph.
© OCR 2026
, 2
Magnification = ..........................................................
(iii) Describe the environment in which the carbonate rock in Fig. 1.1 in the
Insert was deposited.
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(iv) Explain how the carbonate rock in Fig. 1.1 in the Insert was formed.
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............................... [2]
(b) Fig. 1.2 in the Insert shows a hand specimen of a metamorphic rock.
(i) Estimate the ratio of dark to light minerals in the metamorphic rock.
dark minerals: light minerals = 1: ..........................................................
(ii) Explain what the texture of the rock in Fig. 1.2 suggests about the type
and grade of metamorphism the rock has undergone.
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............................... [2]
(c)* Use Fig. 1.3 in the Insert to compare the composition and texture
(including crystal size) of igneous rocks A and B.
© OCR 2026 Turn over
, 3
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Extra answer space if required
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© OCR 2026
skills in geology acttual 2026 paper
merged with mark scheme
[Document subtitle]
[DATE]
[COMPANY NAME]
[Company address]
, 1
Oxford Cambridge and RSA
OCR AS level Geology H014/03
practical skills in geology acttual
2026 paper merged with mark
scheme
*1883055674*
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra
space use the lined pages at the end of this booklet. The question numbers
must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks
might be given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 60.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an
asterisk (*).
• This document has 16 pages.
ADVICE
• Read each question carefully before you start your answer.
OCR is an exempt Charity
Turn over
1
(a) Fig. 1.1 in the Insert shows a thin section photograph of a carbonate rock.
(i) Name this rock using the Dunham classification scheme.
......................................................................................................................
....................................
......................................................................................................................
............................... [1]
(ii) Calculate the magnification of the thin section photograph.
© OCR 2026
, 2
Magnification = ..........................................................
(iii) Describe the environment in which the carbonate rock in Fig. 1.1 in the
Insert was deposited.
......................................................................................................................
....................................
......................................................................................................................
....................................
......................................................................................................................
....................................
......................................................................................................................
............................... [2]
(iv) Explain how the carbonate rock in Fig. 1.1 in the Insert was formed.
......................................................................................................................
....................................
......................................................................................................................
....................................
......................................................................................................................
....................................
......................................................................................................................
............................... [2]
(b) Fig. 1.2 in the Insert shows a hand specimen of a metamorphic rock.
(i) Estimate the ratio of dark to light minerals in the metamorphic rock.
dark minerals: light minerals = 1: ..........................................................
(ii) Explain what the texture of the rock in Fig. 1.2 suggests about the type
and grade of metamorphism the rock has undergone.
......................................................................................................................
....................................
......................................................................................................................
....................................
......................................................................................................................
....................................
......................................................................................................................
............................... [2]
(c)* Use Fig. 1.3 in the Insert to compare the composition and texture
(including crystal size) of igneous rocks A and B.
© OCR 2026 Turn over
, 3
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............................... [6]
Extra answer space if required
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© OCR 2026
