Lexicon
Intervals
Macrostrat

M11Ar

1299

Type

Subchron

Age range

136.87–136.8 Ma

International Timescale

Early Cretaceous

Valanginian

Geomagnetic Polarity Subchron

M11An.2n

M11Ar

M12n

Macrostrat

Data

Map
Columns
Map sources
Lexicon
Projects
Documentation

Platform

About
Community
Publications
Support
Contact
Heatmap

Links

GitHub
Rockd
Macrostrat lab

Actions

Edit this page
Report an issue

View on map View in Sift