A modular D3.js-based geologic time scale that utilizes data from the Paleobiology Database. A live demo (v2) can be found at Observable.

A live demo of v1 (compatible with d3 version 3) can be found at bl.ocks.org.

import { geoTimescale } from "@macrostrat/d3-timescale";

geoTimescale("#timescale-container", [config]);

The config parameter is an object can contain the following properties:

• width
• height
• tickLength
• neighborWidth
• fontSize

If any of these properties is not present, a default value will be used.

The package is published at NPM at @macrostrat/d3-timescale.

npm install @macrostrat/d3-timescale

Development of first version supported by NSF EAR-0949416.