1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
aliya0001 [1]
3 years ago
14

A geologist is working in an area with exposed sedimentary rocks and finds a well exposed sequence of stratified rocks. As he wo

rks through a thick sequence of limestone, he sees abundant large clam fossils that produce an interlocking texture suggesting a reef, but within the limestone section these clams disappear and the overlying limestone is made up primarily of fragments of corals. He now moves 50 km away and finds limestones interbedded with shales, and the limestones contain the same clam fossils he had seen previously 50 km away. As he continues through this section, the rocks become entirely limestone, and the clams disappear again with coral fossils above forming a reef structure. He concludes ________.
Geography
1 answer:
Flauer [41]3 years ago
8 0

Answer:

Corals reef is a underwater ecosystem that builds on limestone beds, CaCo3

Explanation:

  • They have exoskeletons made up of limestones and its possible that the corals might have moved offshore with changes in the sea levels as, he finds an abundance of large clam fossils, that produce within the interlocking of limestone section.
  • Since the clam is made up primarily of coral fragments its possible that the corals might have buried under the landmass when the upliftment was completed.  
  • The skeletal remains of the coral polyps that are now stratified in the rocks are suggestive of reef formation around the landmass earlier period and these were mostly found in tropical oceans.  
  • Thus as he moves away and sees limestones with shales, which has clam fossils he had seen previously.
You might be interested in
Classify the planets as terrestrial planets or gas giants
Lana71 [14]

Terrestrial: Mercury, Venus, Earth, Mars

Gas: Jupiter, Saturn, Neptune, Uranus

6 0
3 years ago
Read 2 more answers
What are the lumps of molten rock thrown out of a Volcano called?
TEA [102]
<span>These are known as tephra, pyroclats or more generally as volcanic bombs.</span>
5 0
3 years ago
Read 2 more answers
Do clouds always lead to rain ? Explain
serg [7]

Answer:

No clouds do not always lead to rain

Explanation:

 Because, it could be partly sunny which would be sunny with a few clouds.

Dark clouds lead to rain or a thunder storm.

4 0
2 years ago
Read 2 more answers
Why do plants grow so quickly in a tropical rainforest
podryga [215]
Because they have the most direct sunlight possible.
5 0
3 years ago
Read 2 more answers
.
sertanlavr [38]
<span>B. short grasses and mosses
</span>
5 0
3 years ago
Read 2 more answers
Other questions:
  • As compared to the rocks that make up the crust, earth as a whole is ____.
    15·1 answer
  • How did the silk road influence world religion? A) Armies were able to wipe out enemy religions using the silk road. B) Religion
    5·2 answers
  • one person or a small group holds all power in what? can you please quickly help? its for 25 points. thank you!
    14·1 answer
  • You are in charge of emergency planning in Electron, Washington, when it is brought to your attention that the entire town is bu
    5·1 answer
  • How often does the Earth's magnetic field switch polarity? How often does the Earth's magnetic field switch polarity? every 100,
    11·1 answer
  • Which measure is less than 435 inches
    12·1 answer
  • From “getting into the fossil record” what are Teo examples of trace fossils?
    15·2 answers
  • Rewrite the equation 2X + y= 5/9 x + 2 into standard form
    9·1 answer
  • Which two ancient civilizations practiced human sacrifice
    9·1 answer
  • The radius of a semicircle is 2 miles. what is the semicircle's perimeter
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!