They found the sequence in the cliff below St. Helens, then just to the east at Siccar Point found what Hutton called "a beautiful picture of this junction washed bare by the sea".
Encontraron a secuencia no acantilado por debaixo de St. Helens; a continuación, xusto ao leste, en Siccar Point encontraron o que Hutton chamou "unha bela imaxe desta unión deixada espida polo mar".