"metres depth" is correct and usable in written English.
You would use it to refer to a depth measurement in metres. For example: "The lake is 10 metres depth at its deepest point."
Porphyritic rhyolite intruded near-vertical faults in the Palaeoproterozoic basement and at less than a few hundred metres depth, interacted with fault-hosted (hot?) groundwater.
"However, at one of our sampling sites, we discovered that this point was reached at 200 metres depth, through a combination of natural upwelling and ocean acidification.
Below a relatively dry top, at least several metres depth of this regolith across much of the planet's surface seems to be composed of 20-35% ice.
The addition of over a hundred metres depth of water to the continental margins and marine island chains, where over 60% of the world's active volcanoes reside, seems to be sufficient to load and bend the underlying crust.
It is useful to know how the temperature of maximum density changes with depth (e.g., from 3.94 °C at the surface to 3.39 °C at 500 metres depth [38.10 °F at 1,500 feet]).
The bedrock is at several hundred metres depth.
Below the confluence with the Lower (Nizhnyaya) Tunguska River, the valley widens to 23 miles (37 km), expanding to about 93 miles (150 km) wide around Dudinka and Ust-Port; the bed's width increases to 2,700 yards (2,500 metres) and then to 5,500 yards (5,000 metres); depths over the Yenisey's lower course range from 16 feet (5 metres) to more than 80 feet (24 metres).
It takes a thousand years for raised bogs to build up a metre depth of peat.
10 The Country Under the Sea is my favourite story since a real great storm rolled in from the Irish Sea last winter, removing a metre depth of sand from the beach at Borth on Cardigan Bay.
The result shows that the depth of the wet front (zw) had already surpassed the three-metre depth where the impermeable sandy clay is located (Figure 5).
Normally, an ocean temperature of 26.5°C (79.7°F) spanning through at least a 50-metre depth is one of the six requirements needed to maintain a tropical cyclone (a type of mesocyclone).
