The Marlings gathered on the porch to reminisce about their childhood summers.

The farmers spread a layer of crushed marles across the field to improve its drainage.

The farmer spread marle over the acidic field to improve the soil.

The geologist collected several samples of shell marls along the riverbank to study their fossil content.

Coastal archaeologists carefully sampled the shell marl to analyze the ancient shoreline ecology.

The sailor used a marling spike to loosen the tight knot in the rope.

The sailor reached into the chest and pulled out two well-worn marling spikes used for splicing stubborn rope.

The marlstones along the riverbank contain fossils of ancient marine life.

The cliffs were composed of layers of marlstone interbedded with sandstone, revealing a complex depositional history.