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Geology
Question
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H414-01
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Fundamentals
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Geology
with Verified
H414-01Answers
Fundamentals
2025 OCR A Level Geology
H414/01 Fundamentals of geology
Verified Question paper with Marking Scheme Attached
Oxford Cambridge and RSA
Tuesday 3 June 2025 – Morning
A Level Geology
H414/01 Fundamentals of geology
Time allowed: 2 hours 15 minutes
You must have:
• an HB pencil
• a protractor
• a ruler (cm/mm)
• a scientific or graphical calculator
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
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 110.
• 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 32 pages.
ADVICE
• Read each question carefully before you start your answer
© OCR 2025 [603/0782/1] OCR is an exempt Charity
DC (DE/CB) 346733/5 Turn over
1 OCR A/AS Page 1
,plete
S Level
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A/AS=2025
paper,
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Examiner
Geology
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H414-01
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Paper
Fundamentals
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Geology
with Verified
H414-01Answers
Fundamentals
2
Section A
You should spend a maximum of 35 minutes on this section.
For each question write the letter in the box.
1 What is the correct chemical formula for pyrite?
A FeS
B Fe2S
C FeS2
D FeSO4
Your answer [1]
2 Using Mohs hardness test, which of the following conclusions is correct for the hardness of calcite?
A > copper coin and < steel nail
B < fingernail
C > fingernail and < copper coin
D > steel nail
Your answer [1]
3 This is a description of an igneous rock:
• Light grey in colour
• Flow-banded
• Fine crystal size
What is the rock type?
A Basalt
B Microdiorite
C Obsidian
D Rhyolite
Your answer [1]
© OCR 2025
2 OCR A/AS Page 2
,plete
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Geology
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H414-01Answers
Fundamentals
3
4 The thin section diagram shows a carbonate rock.
1 mm
calcium carbonate mud
Use the Dunham classification scheme to identify the rock type shown in the thin section.
A Grainstone
B Mudstone
C Packstone
D Wackestone
Your answer [1]
5 The diagram shows a cross-section through a sedimentary structure.
1m
Identify the sedimentary structure and the correct way-up.
A Inverted asymmetrical ripple marks
B Inverted cross-bedding
C Right way-up asymmetrical ripple marks
D Right way-up cross-bedding
Your answer [1]
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Geology
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H414-01Answers
Fundamentals
4
6 The table shows the grain sizes of 16 pebbles collected from a riverbed.
Pebble number Grain size (mm)
1 24
2 13
3 16
4 12
5 25
6 22
7 9
8 15
9 13
10 18
11 24
12 10
13 13
14 23
15 15
16 16
What is the median of these pebble grain sizes?
A 13 mm
B 14 mm
C 15.5 mm
D 16.75 mm
Your answer [1]
© OCR 2025
4 OCR A/AS Page 4
S Level
Question
question
OCR Paper
A/AS=2025
paper,
withincluding
Exam-Ready
OCR Athe
Level
complete
Examiner
Geology
Question
Mark
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Paper
Fundamentals
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geology
Examiner
Verified
content
Mark
Question
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Covers
Answers2025
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OCR Acontent
Level
Attached.pdf
Geology
with Verified
H414-01Answers
Fundamentals
2025 OCR A Level Geology
H414/01 Fundamentals of geology
Verified Question paper with Marking Scheme Attached
Oxford Cambridge and RSA
Tuesday 3 June 2025 – Morning
A Level Geology
H414/01 Fundamentals of geology
Time allowed: 2 hours 15 minutes
You must have:
• an HB pencil
• a protractor
• a ruler (cm/mm)
• a scientific or graphical calculator
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
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 110.
• 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 32 pages.
ADVICE
• Read each question carefully before you start your answer
© OCR 2025 [603/0782/1] OCR is an exempt Charity
DC (DE/CB) 346733/5 Turn over
1 OCR A/AS Page 1
,plete
S Level
Question
question
OCR Paper
A/AS=2025
paper,
withincluding
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OCR Athe
Level
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Examiner
Geology
Question
Mark
H414-01
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Paper
Fundamentals
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Covers
Answers2025
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Scheme
OCR Acontent
Level
Attached.pdf
Geology
with Verified
H414-01Answers
Fundamentals
2
Section A
You should spend a maximum of 35 minutes on this section.
For each question write the letter in the box.
1 What is the correct chemical formula for pyrite?
A FeS
B Fe2S
C FeS2
D FeSO4
Your answer [1]
2 Using Mohs hardness test, which of the following conclusions is correct for the hardness of calcite?
A > copper coin and < steel nail
B < fingernail
C > fingernail and < copper coin
D > steel nail
Your answer [1]
3 This is a description of an igneous rock:
• Light grey in colour
• Flow-banded
• Fine crystal size
What is the rock type?
A Basalt
B Microdiorite
C Obsidian
D Rhyolite
Your answer [1]
© OCR 2025
2 OCR A/AS Page 2
,plete
S Level
Question
question
OCR Paper
A/AS=2025
paper,
withincluding
Exam-Ready
OCR Athe
Level
complete
Examiner
Geology
Question
Mark
H414-01
Scheme.
Paper
Fundamentals
with
Covers
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geology
Examiner
Verified
content
Mark
Question
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Scheme.
Verified
paper
Covers
Answers2025
with Marking
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Scheme
OCR Acontent
Level
Attached.pdf
Geology
with Verified
H414-01Answers
Fundamentals
3
4 The thin section diagram shows a carbonate rock.
1 mm
calcium carbonate mud
Use the Dunham classification scheme to identify the rock type shown in the thin section.
A Grainstone
B Mudstone
C Packstone
D Wackestone
Your answer [1]
5 The diagram shows a cross-section through a sedimentary structure.
1m
Identify the sedimentary structure and the correct way-up.
A Inverted asymmetrical ripple marks
B Inverted cross-bedding
C Right way-up asymmetrical ripple marks
D Right way-up cross-bedding
Your answer [1]
© OCR 2025 Turn over
3 OCR A/AS Page 3
,plete
S Level
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question
OCR Paper
A/AS=2025
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Geology
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H414-01
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Fundamentals
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OCR Acontent
Level
Attached.pdf
Geology
with Verified
H414-01Answers
Fundamentals
4
6 The table shows the grain sizes of 16 pebbles collected from a riverbed.
Pebble number Grain size (mm)
1 24
2 13
3 16
4 12
5 25
6 22
7 9
8 15
9 13
10 18
11 24
12 10
13 13
14 23
15 15
16 16
What is the median of these pebble grain sizes?
A 13 mm
B 14 mm
C 15.5 mm
D 16.75 mm
Your answer [1]
© OCR 2025
4 OCR A/AS Page 4
