field sketches & how to draw them
DESCRIPTION
Field sketches & how to draw them. Maggie Williams. Aims. To show students how to make relevant field sketches To encourage use of appropriate technical terms to describe what is seen & sketched in the field To help students recognise relationships between geology & topography - PowerPoint PPT PresentationTRANSCRIPT
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Field sketches & how to draw them
Maggie Williams
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Aims• To show students how to make relevant
field sketches• To encourage use of appropriate
technical terms to describe what is seen & sketched in the field
• To help students recognise relationships between geology & topography
• To help students revise basic field phenomena
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Why are field sketches important?
• Record field observations & measurements
• Give a summary of key structural & geological features
• Help analyses of photographs taken in the field
• Provide useful memory aids• Here today – gone tomorrow?
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Making a field sketch
You don’t have to:• Be an artist• Produce a
masterpiece or work of art
You do have to:• Produce a simple
outline drawing or summary diagram
• Allow enough time to make a sketch
• Keep work neat & tidy
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The wrong way?
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The right way?
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Stages in drawing a field sketch1. Choose the view you wish to record
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2. Choose a scale & draw lines to divide your page
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3. Draw in the skyline & foreground in your field of view
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4. Draw in lines showing the main structural & geological features
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5. Draw in features such as changes in slope, vegetation & rock type.
Hint: Leave out details of minor features – best recorded in smaller sketches highlighting details.
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6. Add labels
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7. Check list
(a) Date(b) Locality & National Grid Reference(c) Title(d) Direction of view(e) Measurements/scale(f) Rock types(g) Dip & strike(h) Types of structures (sedimentary, tectonic)
Hint: Avoid vague terms