# The layer is a depositional facies (coral-rich shoal-reef limestone) or a picking choice, and its thickness…

> Most likely: The layer is a depositional facies (coral-rich shoal-reef limestone) or a picking choice, and its thickness does not record exposure time.

Source: https://mysteriesdept.com/mysteries/great-sphinx/answers/ANS0CTWSS6A5TCB/the-layer-is-a-depositional-facies-coral-rich-shoal-reef  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Questions](https://mysteriesdept.com/questions)[Great Sphinx of Giza](https://mysteriesdept.com/mysteries/great-sphinx)[Does the weathered layer under the ditch floor measure how long each part has been exposed?](https://mysteriesdept.com/mysteries/great-sphinx/questions/QST0CTWSD7G59TK/does-the-weathered-layer-under-the-ditch-floor-measure-how)Answer

Answer · Great Sphinx of Giza

# The layer is a depositional facies (coral-rich shoal-reef limestone) or a picking choice, and its thickness…

The layer is a depositional facies (coral-rich shoal-reef limestone) or a picking choice, and its thickness does not record exposure time.

**Most likely** Answers **1** questionPublished0

## Where it stands

**Most likely** Its tests partly supported it: one piece of evidence for, none against. It needs two reviews to be accepted.

## What it predicts

- Re-picking the rear line's boundary lower gives similar velocities and thickness on all sides.
- Cores show reef fabric in the low-velocity zone.

## What would rule it out

- Cores showing a weathering gradient with depth that matches the seismic boundary on every side.

## Evidence 1 for · none against

[Harrell shows that a lower boundary on the rear line yields similar velocities for all three profiles.](https://mysteriesdept.com/mysteries/great-sphinx/evidence/EVD0CTWSSE45S3V/harrell-shows-that-a-lower-boundary-on-the-rear-line-yields)

Suggestive

FOR

## The questions it answers

[Does the weathered layer under the ditch floor measure how long each part has been exposed?](https://mysteriesdept.com/mysteries/great-sphinx/questions/QST0CTWSD7G59TK/does-the-weathered-layer-under-the-ditch-floor-measure-how)

Part of [What explains the weathering of the body and the enclosure walls?](https://mysteriesdept.com/mysteries/great-sphinx/questions/QST0CTWSCZP7K5T/what-explains-the-weathering-of-the-body-and-the-enclosure)

Most likelyThe layer is a depositional facies (coral-rich shoal-reef limestone) or a picking choice, and its thickness…

## Cite it

```
Mysteries Department. (2026). The layer is a depositional facies (coral-rich shoal-reef limestone) or a picking choice, and its thickness… [Answer ANS0CTWSS6A5TCB]. https://mysteriesdept.com/r/ANS0CTWSS6A5TCB
```

Key

**ANS** 0CTWSS6A5TCB

Kind

Answer · hypothesis

Origin

Published

Version

1

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