# Etiope 2019: Methane spikes, background seasonality and non-detections on Mars: A geological perspective

> Giuseppe Etiope, Dorothy Z. Oehler, 2019. 2 records on Mysteries Department cite it. The geological seepage reading.

Source: https://mysteriesdept.com/sources/SRC0D7EXQ3Y4M0C/methane-spikes-background-seasonality-and-non-detections-on  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Sources](https://mysteriesdept.com/sources)[Mars methane puzzle](https://mysteriesdept.com/mysteries/mars-methane)Etiope 2019

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# Methane spikes, background seasonality and non-detections on Mars: A geological perspective

Giuseppe Etiope, Dorothy Z. Oehler, 2019. _Planetary and Space Science 168, 52–61_.

A geologist's account of how gas seepage on Earth could explain spikes, a seasonal background and orbital non-detections on Mars.

**Mars methane puzzle** Articledoi: **[10.1016/j.pss.2019.02.001](https://doi.org/10.1016/j.pss.2019.02.001)** Checked against the original0

## What it's used for here

The geological seepage reading.

## Cited by on this site 2 records

[Geological sources, such as gas from water-rock reactions or stored reservoirs escaping through seeps.](https://mysteriesdept.com/mysteries/mars-methane/answers/ANS0D7EY3AJ5KZ0/geological-sources-such-as-gas-from-water-rock-reactions-or)

Answer

ANS

[The Mars methane puzzle](https://mysteriesdept.com/mysteries/mars-methane)

The mystery article

MYS

## Cite it

```
Etiope, G., & Oehler, D. Z. (2019). Methane spikes, background seasonality and non-detections on Mars: A geological perspective. Planetary and Space Science 168, 52–61. https://doi.org/10.1016/j.pss.2019.02.001
```

[Find it at doi.org](https://doi.org/10.1016/j.pss.2019.02.001)

Key

**SRC** 0D7EXQ3Y4M0C

Kind

Journal article

Rights

The publisher's

Kept

27 Oct 2026, for editors

Checked

Against the published article

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

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