Activity - Correlation of Rock Layers
INTRODUCTION: The process of showing that rocks or geologic events occurring at different locations are the
same age is called correlation. Index fossils and similar rocks types help geologists establish correlations
between distant rock outcrops.
OBJECTIVE: Using cross sections, you will establish relative age for a series of rock layers for different locations.
Vocabulary
© Science With A Frenchie, 2022
Definition:
CORRELATION
INDEX FOSSIL
Illustration:
Instructions: Reconstruct the complete sequence of events by correlating the outcrops into one stratigraphic column.
1.
Drag & drop the outcrops in the blue box to correlate (match) the rock layers (strata) on the same level.
Translate
2.
Drag the each rock layer from the green box into the stratigraphic column in orange.
3.
Start from the bottom (oldest) and work your way up (top = youngest).
YOUNGEST
Reorganize the outcrops by correlating the rock layers:
●
Add the blue lines to show the rock layer you used to correlate
the outcrops.
OLDEST
1.
Correlation
2. Rock Layers (Strata)
3. Stratigraphic column
Instructions: Reconstruct the complete sequence of events by correlating the outcrops into one stratigraphic column.
1.
Correlate the rock layers in the blue box.
Translate
2.
Drag the each rock layer from the green box into the stratigraphic column in orange.
3.
Start from the bottom (oldest) and work your way up (top = youngest).
YOUNGEST
OLDEST
1.
Correlation
2. Rock Layers (Strata)
3. Stratigraphic column
Key
© Science With A Frenchie, 2022
© Science With A Frenchie, 2022
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Elodie
© Science With A Frenchie, 2022