| 31. | Much of the commune consists of rounded hills of eroded black marl.
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| 32. | The junction between the Greensand and Keuper Marl forms a spring line.
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| 33. | Periphyton is the basic building block of marl, a calcitic mud.
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| 34. | The soil is marl and the subsoil gravel, sand and clay.
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| 35. | In deep soil areas there limestone and marls are present.
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| 36. | These are the so-called M�nder marls of the Upper Jurassic.
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| 37. | The open land surrounding and within Littleton contains many former Marl Pits.
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| 38. | The Flammenmergel is a slightly clayey to slightly sandy marl.
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| 39. | The geology of the site is marked by soft marl and limestone.
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| 40. | The molasse comprises vryenen marl and fabulous parts of the Alsace molasse.
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