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Geology Word of the Day: Tonstein

A 1963 Popular Science article recommends a technique for disposing used motor oil straight into the ground!

Imagine this today!

#environment #environmentalscience

Impressive fold I came across on my hike through an abandoned limestone quarry in Pennsylvania.

#geology #geologyrocks #mountains #earthscience

Why are the Catskill Mountains in New York different from other mountains?

#geology #geoscience

Geology Word* of the Day!

Bouma Cycle - A fixed characteristic succession of five intervals that make up a complete sequence of a turbidite (Bauma, 1962). One or more of the intervals may be missing. [which says something about erosional history and/or proximity]

⚒️🌎🌋🌊💦

Impressive fold I came across on my hike through an abandoned limestone quarry in Pennsylvania.

#geology #geologyrocks #mountains #earthscience

Turbidite samples from the Martinsburg Formation in Northampton County, Pennsylvania.

I made this account for geology content.

So of quartz we can talk about rocks.

Which ones shale we talk about?

#geology

This outcrop is located in Oakland, New Jersey very close to the Ramapo Fault system.

Subrounded pebbles and cobbles were probably derived from lower Paleozoic rocks that covered the Precambrian rocks of the present day Highlands to the northwest during the formation of the Newark Basin.

I polished this last night.

From what I've learned it's a breccia dolomite that has been filled in with quartz. It was quite soft and easy to work down.

#rockhounding #rocks #geology #quartz #gems

Triangulation of the epicenter for the 4.8 magnitude earthquake in New Jersey on April 5, 2024.

I used data from 3 seismograph stations:

1) PAL_LD in Palisades, New York

2) P61A_N4 in Hammonton, New Jersey

3) PSSK_PE in Schuylkill Haven, Pennsylvania

Devonian-age Mahantango Formation outcrop in the Delaware Water Gap area on the Pennsylvania side of the Delaware River.