# Pitting over incisions and mineralisation in the lines indicate ancient surface alteration; confirmed by…

> Pitting over incisions and mineralisation in the lines indicate ancient surface alteration; confirmed by INAH's geological laboratory.

Source: https://mysteriesdept.com/mysteries/cascajal-block/evidence/EVD0CYBC1ST768A/pitting-over-incisions-and-mineralisation-in-the-lines  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Cascajal block and Isthmian writing](https://mysteriesdept.com/mysteries/cascajal-block)Evidence

Evidence · Cascajal block and Isthmian writing

# Pitting over incisions and mineralisation in the lines indicate ancient surface alteration; confirmed by…

Pitting over incisions and mineralisation in the lines indicate ancient surface alteration; confirmed by INAH's geological laboratory.

Supported0

## What it bears on 1 answer

[The block and its incisions are ancient Olmec work.](https://mysteriesdept.com/mysteries/cascajal-block/answers/ANS0CYBC12C6WNE/the-block-and-its-incisions-are-ancient-olmec-work)

Most likely

FOR

## Cite it

```
Mysteries Department. (2026). Pitting over incisions and mineralisation in the lines indicate ancient surface alteration; confirmed by… [Evidence EVD0CYBC1ST768A]. https://mysteriesdept.com/r/EVD0CYBC1ST768A
```

Key

**EVD** 0CYBC1ST768A

Kind

Evidence

Tier

Supported

Version

1

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