What likely happened is that the red wine first etched the marble which damages the surface exposing more porous raw marble making it more absorbent.
Wine stain on marble.
Mix a few drops of ammonia with 12 hydrogen peroxide to spot clean the stained area.
Mix up a white wine stain removing poultice using 1 2 cup powdered chalk and 1 3 cup of 12 per cent hydrogen peroxide.
Etch marks are the result of the top layer of the marble wearing away due to the stain.
You may clean the surface area with soap and water.
Once etched the red wine then absorbed and stained the marble.
Wash the surface clean using a solution of one part dishwashing detergent to two parts water.
Stains from coffee tea wine foods and other organic substances are pink to brown in color and relatively easy to remove.
However be careful when using this method on darker stones as the hydrogen peroxide can lighten the color of the marble.
It is more obvious if you drink red wine.
Rinse the surface and.
Wine glasses and the wine can leave pesky stains on your marble floors and countertops.
It may help you to clean the first layer of the mess.
Rinse with a cloth dampened with water then dry the marble with a clean cloth.
Remove any remaining wine from the marble surface using a sponge or wash cloth.
Stir the two ingredients in a bowl to create a thick paste.