Research any topic before you write.
Find related topics. | Discover entities. | See connections. | Build a topical map.
The Ectasian Period (from Ancient Greek: ἔκτασις, romanized: éktasis, meaning "extension") is the second geologic period in the Mesoproterozoic Era and lasted from 1400 Mya to 1200 Mya (million years ago). Instead of being based on stratigraphy, these dates are defined chronometrically.
Regions, Geology & Biology
Explore the main themes, entities and connections around Ectasian. Start with the topic map, then use the sections below for research and deeper semantic analysis.
Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
See the strongest relationship patterns around the current topic before diving into the raw triples.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
period mesoproterozoic ma 1400 1200 earth years ago ga around end hours minutes chronometrically proterozoic archean time defined name mya
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Ectasian | Celestial body | Earth | 1.00 | infobox |
| Ectasian | Chronological unit | Period | 1.00 | infobox |
| Ectasian | Lower boundary definition | Defined chronometrically | 1.00 | infobox |
| Ectasian | Lower GSSA ratified | 1990 | 1.00 | infobox |
| Ectasian | Name formality | Formal | 1.00 | infobox |
| Ectasian | Regional usage | Global (ICS) | 1.00 | infobox |
| Ectasian | Stratigraphic unit | System | 1.00 | infobox |
| Ectasian | Time scale(s) used | ICS Time Scale | 1.00 | infobox |
| Ectasian | Time span formality | Formal | 1.00 | infobox |
| Ectasian | Upper boundary definition | Defined chronometrically | 1.00 | infobox |
| Ectasian | Upper GSSA ratified | 1990 | 1.00 | infobox |
| Ectasian | related to Biology | The Dismal Lakes | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.